Combined adjustable mouse fixer

Abstract

The invention discloses a combined type adjustable mouse fixator, and belongs to the technical field of animal experiments, the combined type adjustable mouse fixator comprises a base, the left side of the upper surface of the base is fixedly connected with a side plate, the right side of the side plate is symmetrically and fixedly connected with L-shaped fixing rods, and the ends, away from the side plate, of the two L-shaped fixing rods are fixedly connected with the upper surface of the base; the fixing cylinders are slidably connected with inserting transverse grooves of the L-shaped fixing rods through inserting plates on the front surface and the rear surface, meanwhile, fixing is achieved through cooperation of inclined clamping blocks and clamping grooves, during dismounting, only second pulling plates on the opposite sides of the two L-shaped fixing rods need to be pulled outwards at the same time, the second pulling plates drive sliding plates to slide in movable cavities through connecting rods, and then the fixing cylinders are fixed. The fixing cylinder can be easily pulled out from the L-shaped fixing rod by rotating the fixing cylinder, so that the dismounting process of the fixator is simple and rapid, and the fixing cylinder and other parts can be conveniently and comprehensively cleaned and disinfected.

Description

Technical Field

[0001] The invention relates to the technical field of animal experiments, in particular to a combined adjustable mouse fixer. Background Art

[0002] In basic medical fields such as neuroscience, pharmacology, and physiology, mice are commonly used experimental animals. For example, in neuroscience research, mice need to undergo brain surgery and electrophysiological recording. In pharmacology research, mice need to be stably fixed to ensure the accuracy of the operation and the reliability of the experimental results.

[0003] Traditional mouse fixators are often of fixed size and can only be used for mice of a specific size. They cannot meet the fixation needs of mice at different growth stages or different breeds. Laboratories usually need to be equipped with multiple types of fixation devices, which increases costs and management difficulties. At the same time, existing mouse fixators are often designed as one with the support device, so when the experiment is completed, the inside of the mouse fixator can easily become a breeding ground for microorganisms, breeding bacteria, fungi, etc. In subsequent experiments, these microorganisms may infect the experimental mice, affect the health status and immune response of the mice, and interfere with the experimental results. Summary of the invention

[0004] Purpose of the invention: The purpose of the present invention is to provide a solution to the problem that traditional mouse fixators are often fixed in size and cannot meet the fixation needs of mice at different growth stages or different breeds; another purpose of the present invention is to provide a solution to the problem that existing mouse fixators cannot be quickly disassembled for cleaning.

[0005] Technical solution: A combined adjustable mouse holder, comprising a base, a side plate fixedly connected to the left side of the upper surface of the base, an L-shaped fixing rod symmetrically fixedly connected to the right side of the side plate, two ends of the L-shaped fixing rods away from the side plates are fixedly connected to the upper surface of the base, opposite sides of the two L-shaped fixing rods are provided with plug-in transverse grooves, a fixing cylinder is arranged between the two L-shaped fixing rods, the front and rear surfaces of the two fixing cylinders are fixedly connected with plug-in plates, and the opposite sides of the two plug-in plates are respectively slidably connected to the inside of the two plug-in transverse grooves;

[0006] A through-type insertion hole is opened on the upper left side of the side plate, the left side of the fixed cylinder extends to the interior of the insertion hole, an operating panel is arranged on the right side of the fixed cylinder, a screw is fixedly connected to the left center of the operating panel, the left end of the screw extends to the interior of the fixed cylinder and is rotatably connected to an adjustment cover via a rotating shaft, and a sealing baffle is slidably connected to the interior of the insertion hole.

[0007] Furthermore, a plurality of supporting legs are fixedly connected to the lower surface of the base.

[0008] Furthermore, a groove 1 is integrally formed on the upper surface of the side plate, a pull plate 1 is arranged inside the groove 1, the lower surface of the pull plate 1 is fixedly connected to the upper surface of the sealing baffle, a sliding cavity is integrally formed inside the pull plate 1, and movable plates are symmetrically arranged on the upper surface of the pull plate 1, the lower surfaces of the two movable plates are fixedly connected with L-shaped positioning rods, the lower surfaces of the two L-shaped positioning rods are slidably connected to the inner lower surface of the sliding cavity, fixed grooves are provided on the inner left and inner right sides of the groove 1, and the two L-shaped positioning rods extend from one side away from the two movable plates to the inside of the two fixed grooves respectively.

[0009] Furthermore, a through injection groove is provided on the inner upper surface of the fixing tube, and a plurality of circular holes are symmetrically provided on the lower side of the outer side wall of the fixing tube.

[0010] Furthermore, movable cavities are integrally formed inside the two L-shaped fixing rods and on opposite sides of the two plug-in transverse grooves, sliding plates are slidably connected inside the two movable cavities, oblique clamping blocks are fixedly connected on opposite sides of the two sliding plates, engaging grooves are provided on opposite sides of the two plug-in plates, and opposite sides of the two oblique clamping blocks extend to the inside of the two engaging grooves respectively, and a plurality of springs are fixedly connected between the opposite sides of the two sliding plates and the inside of the two movable cavities respectively, and pull plates 2 are provided on opposite sides of the two L-shaped fixing rods, and two connecting rods are fixedly connected between the opposite sides of the two pull plates 2 and the opposite sides of the two sliding plates respectively.

[0011] Furthermore, the outer side wall of the fixed cylinder is fixedly connected to a limiting circular plate located on the right side of the side plate.

[0012] Furthermore, the inner left side and the inner right side of the sliding cavity are commonly fixedly connected with a guide rod, the outer side walls of the two guide rods are respectively slidably connected with the two L-shaped positioning rods, the outer side wall of the guide rod is sleeved with a spring 2, and the two ends of the spring 2 are respectively fixedly connected with the opposite sides of the two L-shaped positioning rods.

[0013] Furthermore, the outer wall of the fixing tube is provided with a light-proof film.

[0014] Furthermore, a second groove is formed on the inner lower surface of the insertion hole, and the lower surface of the sealing baffle extends to the inside of the second groove and is fixedly connected to a limiting plate.

[0015] Beneficial effect: The fixing cylinder is slidably connected with the plug-in transverse groove of the L-shaped fixing rod through the plug-in plates on the front and rear surfaces, and is fixed by the cooperation of the oblique clamping block and the clamping groove. When disassembling, it is only necessary to pull out the pull plate 2 on the opposite sides of the two L-shaped fixing rods at the same time. The pull plate 2 drives the sliding plate to slide in the movable cavity through the connecting rod, so that the oblique clamping block is disengaged from the clamping groove, and the fixing cylinder can be easily pulled out from the L-shaped fixing rod, which makes the disassembly process of the fixer simple and quick, and is convenient for comprehensive cleaning and disinfection of the fixing cylinder and other components.

[0016] By turning the operating disk, the screw is driven to rotate. Since the left end of the screw is rotatably connected to the adjustment cover through the rotating shaft, the rotation of the screw causes the adjustment cover to move axially in the fixed cylinder, so that the size of the space inside the fixed cylinder can be flexibly adjusted according to the actual body size of the mouse. Whether it is a small young mouse or a large adult mouse, both can get a suitable fixed space in the fixed cylinder, which effectively solves the problem that the traditional fixator cannot meet the fixation needs of mice of different growth stages or different breeds, and greatly improves the versatility of the fixator;

[0017] The design of the insertion hole and the slidable sealing baffle on the side plate enables mice to be conveniently placed in the fixed cylinder. By pulling the pull plate 1, the sealing baffle can be driven to slide in the insertion hole, thereby realizing opening or closing the insertion hole. The two movable plates and the L-shaped positioning rod on the pull plate 1 cooperate with the two fixed grooves in the groove 1 to stably fix the position of the sealing baffle, prevent mice from escaping, and ensure the smooth progress of the experimental operation.

[0018] The through-type injection groove on the upper surface of the fixed cylinder makes it convenient for experimenters to perform injections on the back or tail of the mouse without opening the fixed cylinder, reducing disturbance to the mouse and improving the accuracy and safety of the injection. At the same time, the multiple circular holes under the fixed cylinder can not only ensure air circulation in the fixed cylinder and provide a good breathing environment for the mouse, but also facilitate injections on the limbs and abdomen of the mouse, thereby improving the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 is a front view structural schematic diagram of the cross section of the side plate and the fixing cylinder of the present invention;

[0021] Figure 3 is a schematic diagram of a top view of a cross section of an L-shaped fixing rod and a plug board of the present invention;

[0022] Figure 4 The present invention Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 5 The present invention Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0024] In the figure: 1. base; 2. side plate; 3. L-shaped fixing rod; 4. plug-in horizontal groove; 5. fixing cylinder; 6. plug-in plate; 7. insertion hole; 8. operating panel; 9. screw; 10. adjustment cover; 11. sealing baffle; 12. support leg; 13. groove one; 14. pull plate one; 15. sliding cavity; 16. movable plate; 17. L-shaped positioning rod; 18. fixing groove; 19. injection groove; 20. round hole; 21. movable cavity; 22. sliding plate; 23. oblique clamping block; 24. clamping groove; 25. spring one; 26. pull plate two; 27. connecting rod; 28. limiting circular plate; 29. ​​guide rod; 30. spring two; 31. light-proof film; 32. groove two; 33. limiting plate. DETAILED DESCRIPTION

[0025] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Example

[0027] like Figure 1 As shown, a plurality of supporting legs 12 are fixedly connected to the lower surface of the base 1;

[0028] By setting up multiple supporting legs 12, the weight of the device can be dispersed so that the device can be placed stably on laboratory tables of different materials. The multiple supporting legs 12 and the base 1 are all detachably fixed, which is convenient for the storage and transportation of the device. When the laboratory needs to transfer the device or carry out large-scale equipment sorting, it can save a lot of space and manpower.

[0029] like Figure 1-Figure 3 As shown, a combined adjustable mouse holder is provided, comprising a base 1, a side plate 2 is fixedly connected to the left side of the upper surface of the base 1, an L-shaped fixing rod 3 is symmetrically fixedly connected to the right side of the side plate 2, two L-shaped fixing rods 3 are fixedly connected to the upper surface of the base 1 at one end away from the side plate 2, plug-in transverse grooves 4 are provided on opposite sides of the two L-shaped fixing rods 3, a fixing cylinder 5 is provided between the two L-shaped fixing rods 3, the front and rear surfaces of the two fixing cylinders 5 are fixedly connected to plug-in boards 6, and the opposite sides of the two plug-in boards 6 are respectively slidably connected to the inside of the two plug-in transverse grooves 4, a through-type insertion hole 7 is provided on the upper left side of the side plate 2, the left side of the fixing cylinder 5 extends to the inside of the insertion hole 7, an operating disk 8 is provided on the right side of the fixing cylinder 5, a screw rod 9 is fixedly connected to the left center of the operating disk 8, the left end of the screw rod 9 extends to the inside of the fixing cylinder 5, and an adjustment cover 10 is rotatably connected to the adjusting cover 10 through a rotating shaft, and a sealing baffle 11 is slidably connected to the inside of the insertion hole 7;

[0030] When in use, align the plug-in plates 6 at the front and rear of the fixing cylinder 5 with the plug-in transverse grooves 4 on the opposite sides of the two L-shaped fixing rods 3, and then smoothly insert the fixing cylinder 5 along the direction of the transverse groove until the left side of the fixing cylinder 5 extends to the inside of the insertion hole 7, and the installation of the fixing cylinder 5 is completed. The detachable design of the fixing cylinder 5 is convenient for daily maintenance, cleaning and storage, saving space and extending the service life of the equipment. Then, by pulling the sealing baffle 11 upwards, the insertion hole 7 is connected with the inside of the fixing cylinder 5, so that the experimental mouse is conveniently placed in the fixing cylinder 5 through the insertion hole 7. After the mouse is placed, the sealing baffle 11 is slid back to its original position to prevent the mouse from escaping. When facing experimental mice of different sizes, the screw rod 9 is driven to rotate by rotating the operating disk 8. Since the left end of the screw rod 9 is rotatably connected to the adjusting cover 10 through the rotating shaft, the rotation of the screw rod 9 will drive the adjusting cover 10 to move axially inside the fixing cylinder 5, thereby changing the size of the space inside the fixing cylinder 5 to adapt to experimental mice of different sizes, thereby improving the versatility of the device.

[0031] like Figure 1-Figure 3 As shown, a through injection groove 19 is provided on the inner upper surface of the fixed cylinder 5, and a plurality of circular holes 20 are symmetrically provided on the lower side of the outer wall of the fixed cylinder 5;

[0032] The injection slot 19 can be used to perform experimental operations such as injections on the tail and back of the mouse, preventing the mouse from scratching the experimenter. At the same time, the multiple circular holes 20 can be used to perform operations such as injections on the limbs and abdomen of the mouse, thereby improving the safety of the device. At the same time, the injection slot 19 and the multiple circular holes 20 can provide a good breathing environment for the mouse, ensuring the normal circulation of air inside the fixed tube 5.

[0033] like Figure 1 As shown, the outer wall of the fixed tube 5 is provided with a light-proof film 31;

[0034] The light-proof film 31 can effectively block light, so that the light intensity in the fixed tube 5 is maintained within the acceptable range for mice, creating a relatively familiar and safe low-light environment for mice, and preventing mice from becoming restless, struggling frequently, etc. due to strong light stimulation during the experiment, thereby ensuring the stability of the mouse's physiological state and making the experimental data more reliable.

[0035] like Figure 1-Figure 3 As shown, the outer wall of the fixed cylinder 5 and the right side of the side plate 2 are fixedly connected to the limiting circular plate 28;

[0036] The setting of the limiting circular plate 28 can accurately limit the sliding travel of the fixing tube 5 in the plug-in transverse groove 4, thereby ensuring the stability of the fixing tube 5 during use and providing reliable protection for the fixation of mice.

[0037] like Figure 4As shown, a groove 13 is integrally formed on the upper surface of the side plate 2, a pull plate 14 is arranged inside the groove 13, the lower surface of the pull plate 14 is fixedly connected to the upper surface of the sealing baffle 11, a sliding cavity 15 is integrally formed inside the pull plate 14, movable plates 16 are symmetrically arranged on the upper surface of the pull plate 14, the lower surfaces of the two movable plates 16 are fixedly connected to L-shaped positioning rods 17, the lower surfaces of the two L-shaped positioning rods 17 are slidably connected to the lower surface of the sliding cavity 15, the inner left side and the inner right side of the groove 13 are provided with fixed grooves 18, and the two L-shaped positioning rods 17 extend to the inside of the two fixed grooves 18 on the side away from the two movable plates 16 respectively;

[0038] When the fixed tube 5 is installed and fixed between the two L-shaped fixed rods 3, by pressing the two movable plates 16 relatively, the two movable plates 16 move to opposite sides to drive the two L-shaped positioning rods 17 to slide relatively inside the sliding cavity 15, so that the two L-shaped positioning rods 17 are pulled out of the two fixed grooves 18, and the limit between the pull plate 14 and the groove 13 can be cancelled. Then, the pull plate 14 set by the two movable plates 16 is pulled upward, and the sealing baffle 11 is pulled upward by the pull plate 14, thereby connecting the insertion hole 7 with the fixed tube 5, so as to facilitate the mouse to be placed in the fixed tube 5 for fixing.

[0039] like Figure 4 As shown, the left side and the right side of the inner part of the sliding cavity 15 are fixedly connected with a guide rod 29, and the outer side walls of the two guide rods 29 are respectively slidably connected with the two L-shaped positioning rods 17, and the outer side walls of the guide rods 29 are sleeved with a spring 2 30, and the two ends of the spring 2 30 are respectively fixedly connected with the opposite sides of the two L-shaped positioning rods 17;

[0040] After the mouse is placed in the fixed tube 5, the two movable plates 16 are continuously pressed to push the sealing baffle 11 downward to reset it, and then the two movable plates 16 are released. The two L-shaped positioning rods 17 can be reinserted into the two fixed grooves 18 by the rebound of the spring 2 30, thereby re-fixing the sealing baffle 11 to prevent the mouse from escaping during the experiment, thereby improving the safety of the device. At the same time, the guide rod 29 provided can make the two L-shaped positioning rods 17 slide smoothly, ensuring the stability of the movement.

[0041] like Figure 5As shown, movable cavities 21 are integrally formed inside the two L-shaped fixing rods 3 and on the opposite sides of the two plug-in transverse grooves 4, and sliding plates 22 are slidably connected inside the two movable cavities 21, and oblique clamping blocks 23 are fixedly connected on the opposite sides of the two sliding plates 22. Engaging grooves 24 are provided on the opposite sides of the two plug-in plates 6, and the opposite sides of the two oblique clamping blocks 23 extend to the inside of the two engaging grooves 24 respectively. A plurality of springs 1 25 are fixedly connected between the opposite sides of the two sliding plates 22 and the inside of the two movable cavities 21, and pull plates 26 are provided on the opposite sides of the two L-shaped fixing rods 3, and two connecting rods 27 are fixedly connected between the opposite sides of the two pull plates 26 and the opposite sides of the two sliding plates 22;

[0042] When the fixed cylinder 5 is plugged into the two plug-in transverse grooves 4 through the two plug-in plates 6, when the two plug-in plates 6 are slowly pushed through the fixed cylinder 5 and approach the two oblique card blocks 23, due to the inclined surface structure of the two oblique card blocks 23, the two plug-in plates 6 will squeeze the two oblique card blocks 23, driving the sliding plate 22 connected thereto to slide outward in the active cavity 21 against the elastic force of the spring 1 25. When the fixed cylinder 5 moves to a certain position, the elastic force of the spring 1 25 will push the sliding plate 22 and the oblique card block 23 to reset, so that the two oblique card blocks 23 are stuck in the two engaging grooves 24. The fixing tube 5 is installed and fixed, thereby preventing the fixing tube 5 from shaking during the experiment, thereby improving the stability of the device and the accuracy of the experimental results. When the experiment is completed and the mice are released, the two pull plates 26 are pulled outward at the same time to drive the two sliding plates 22 to slide outward in the active cavity 21, thereby disengaging the two oblique clamping blocks 23 from the two clamping grooves 24, and the fixing tube 5 can be easily drawn out from the L-shaped fixing rod 3, which is convenient for cleaning the inside of the fixing tube 5 to prevent the growth of bacteria and fungi inside, thereby further improving the accuracy of the experimental results.

[0043] like Figure 2 As shown, a second groove 32 is formed on the inner lower surface of the insertion hole 7, and the lower surface of the sealing baffle 11 extends to the inside of the second groove 32 and is fixedly connected to a limiting plate 33;

[0044] The limiting plate 33 can prevent the sealing baffle 11 from being completely withdrawn, thereby ensuring the smooth progress of the experiment and improving the operability of the device.

[0045] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A combined adjustable mouse holder, comprising a base (1), characterized in that: The left side of the upper surface of the base (1) is fixedly connected to a side plate (2), and the right side of the side plate (2) is symmetrically fixedly connected to an L-shaped fixing rod (3), and the ends of the two L-shaped fixing rods (3) away from the side plates (2) are fixedly connected to the upper surface of the base (1), and the opposite sides of the two L-shaped fixing rods (3) are provided with plug-in transverse grooves (4), and a fixing cylinder (5) is arranged between the two L-shaped fixing rods (3), and the front and rear surfaces of the two fixing cylinders (5) are fixedly connected to plug-in boards (6), and the opposite sides of the two plug-in boards (6) are respectively slidably connected to the inside of the two plug-in transverse grooves (4); A through-type insertion hole (7) is provided on the upper left side of the side plate (2); the left side of the fixed cylinder (5) extends to the inside of the insertion hole (7); an operating panel (8) is provided on the right side of the fixed cylinder (5); a screw rod (9) is fixedly connected to the center of the left side of the operating panel (8); the left end of the screw rod (9) extends to the inside of the fixed cylinder (5) and is rotatably connected to an adjustment cover (10) via a rotating shaft; and a sealing baffle (11) is slidably connected to the inside of the insertion hole (7).

2. The combined adjustable mouse holder according to claim 1, characterized in that: A plurality of supporting legs (12) are fixedly connected to the lower surface of the base (1).

3. The combined adjustable mouse holder according to claim 1, characterized in that: A groove (13) is integrally formed on the upper surface of the side plate (2), a pull plate (14) is arranged inside the groove (13), the lower surface of the pull plate (14) is fixedly connected to the upper surface of the sealing baffle (11), a sliding cavity (15) is integrally formed inside the pull plate (14), a movable plate (16) is symmetrically arranged on the upper surface of the pull plate (14), the lower surfaces of the two movable plates (16) are fixedly connected to L-shaped positioning rods (17), the lower surfaces of the two L-shaped positioning rods (17) are slidably connected to the lower surface of the sliding cavity (15), the inner left side and the inner right side of the groove (13) are provided with fixed grooves (18), and the two L-shaped positioning rods (17) extend from the side of the two movable plates (16) to the inside of the two fixed grooves (18) respectively.

4. The combined adjustable mouse holder according to claim 1, characterized in that: A through-type injection groove (19) is provided on the inner upper surface of the fixed cylinder (5), and a plurality of circular holes (20) are symmetrically provided below the outer side wall of the fixed cylinder (5).

5. The combined adjustable mouse holder according to claim 1, characterized in that: An active cavity (21) is integrally formed inside the two L-shaped fixing rods (3) and on the opposite sides of the two plug-in transverse grooves (4); a sliding plate (22) is slidably connected inside the two active cavities (21); an oblique clamping block (23) is fixedly connected to the opposite sides of the two sliding plates (22); a clamping groove (24) is provided on the opposite sides of the two plug-in plates (6); the opposite sides of the two oblique clamping blocks (23) extend to the inside of the two clamping grooves (24) respectively; a plurality of springs (25) are fixedly connected between the opposite sides of the two sliding plates (22) and the inside of the two active cavities (21); a pull plate (26) is provided on the opposite sides of the two L-shaped fixing rods (3); two connecting rods (27) are fixedly connected between the opposite sides of the two pull plates (26) and the opposite sides of the two sliding plates (22) respectively.

6. The combined adjustable mouse holder according to claim 1, characterized in that: The outer side wall of the fixed cylinder (5) is fixedly connected to a limiting circular plate (28) located on the right side of the side plate (2).

7. The combined adjustable mouse holder according to claim 3, characterized in that: A guide rod (29) is fixedly connected to the inner left side and the inner right side of the sliding cavity (15); the outer side walls of the two guide rods (29) are respectively slidably connected to the two L-shaped positioning rods (17); the outer side walls of the guide rods (29) are sleeved with a spring 2 (30); the two ends of the spring 2 (30) are respectively fixedly connected to the opposite sides of the two L-shaped positioning rods (17).

8. The combined adjustable mouse holder according to claim 1, characterized in that: The outer wall of the fixing cylinder (5) is sleeved with a light-proof film (31).

9. The combined adjustable mouse holder according to claim 1, characterized in that: A second groove (32) is formed on the inner lower surface of the insertion hole (7), and the lower surface of the sealing baffle (11) extends to the interior of the second groove (32) and is fixedly connected to a limiting plate (33).

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