CN110721004A - Quick positioning and tightening device for laboratory mouse - Google Patents
Quick positioning and tightening device for laboratory mouse Download PDFInfo
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- CN110721004A CN110721004A CN201911045222.4A CN201911045222A CN110721004A CN 110721004 A CN110721004 A CN 110721004A CN 201911045222 A CN201911045222 A CN 201911045222A CN 110721004 A CN110721004 A CN 110721004A
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- 241000699670 Mus sp. Species 0.000 claims abstract 3
- 230000000452 restraining effect Effects 0.000 claims description 9
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 230000005570 vertical transmission Effects 0.000 claims description 2
- 241000699666 Mus <mouse, genus> Species 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 241000700159 Rattus Species 0.000 description 3
- 241000283984 Rodentia Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
- A61D2003/006—Appliances for supporting or fettering animals for operative purposes with leg or foot restraining means
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Husbandry (AREA)
- Engineering & Computer Science (AREA)
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- Zoology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention relates to a rapid positioning and fastening device for laboratory mice, which comprises a laboratory table and a plurality of binding belts, wherein the laboratory table is provided with a plurality of turntables, and the turntables are rotationally connected with the laboratory table along a vertical shaft; the rotary table is provided with two vertically-penetrated slotted holes, the lower end of the rotary table is provided with a vertically-arranged piston hole, a piston column is arranged in the piston hole, and two ends of the binding belt respectively penetrate through the two slotted holes from top to bottom and are connected with the piston column; the experiment table is provided with sliding blocks which correspond to the rotary tables one by one, the sliding blocks are arranged on one side of the rotary tables and are in horizontal sliding connection with the experiment table, the experiment table is provided with a sliding cavity matched with the sliding blocks, and the sliding blocks are connected with the experiment table through springs; the experiment table is provided with a plurality of electromagnetic three-way valves which are in one-to-one correspondence with the turntables, and two air outlet ends of the electromagnetic three-way valves are respectively communicated with the corresponding piston holes and the corresponding sliding cavities; the invention has the advantages of convenient and rapid fixing process and controllable and stable tightening force.
Description
Technical Field
The invention relates to a fixing device for a laboratory mouse, in particular to a rapid positioning and tightening device for the laboratory mouse.
Background
The experimental mouse is a main object of in-vivo experimental research, before clinical observation, experimental medicines and the like need to be injected into the experimental mouse, but the experimental mouse is small in size, and generally adopts tail puncture injection, so that the injection can be effectively implemented only after the limbs and the tail of the experimental mouse are fixed; at present, in the injection process, a manual catching or binding type fixing mode is mostly adopted, and the rodent of the experimental rat is very easy to cause the situation that workers are bitten, moreover, the grasping force and the binding force are difficult to master no matter the rats are caught or bound, and the limbs of the experimental rat are easily damaged.
Disclosure of Invention
Aiming at the situation, in order to make up for the technical defects in the prior art, the invention provides a rapid positioning and tightening device for a laboratory mouse, which aims to solve the problem that a safe, effective, rapid and convenient fixing mode is lacked in the injection process of the existing laboratory mouse.
The technical scheme for solving the problem is as follows: the device comprises an experiment table and a plurality of constraint belts respectively corresponding to four limbs and tails of an experimental mouse, wherein a plurality of turntables in one-to-one correspondence with the constraint belts are distributed on a table plate of the experiment table, the turntables are rotatably connected with the experiment table along vertical shafts, and the upper end surfaces of the turntables are flush with the upper end surface of the table plate of the experiment table; the rotary table is provided with two slotted holes which vertically penetrate through the rotary table, the lower end of the rotary table is provided with a vertically arranged piston hole, a vertically sliding piston column is arranged in the piston hole, and two ends of the binding belt respectively penetrate through the two corresponding slotted holes from top to bottom and are connected with the piston column; the experiment table is provided with sliding blocks which correspond to the rotary tables one by one, the sliding blocks are arranged on one side of the corresponding rotary tables and are in horizontal sliding connection with the experiment table, the experiment table is provided with a sliding cavity matched with the sliding blocks, and the sliding blocks are connected with the experiment table through springs so that the sliding blocks slide in the direction far away from the corresponding rotary tables through the elastic force of the springs and are separated from the corresponding rotary tables, so that the rotary tables rotate freely; the experiment table is provided with a plurality of electromagnetic three-way valves which are in one-to-one correspondence with the turntables, and two air outlet ends of the electromagnetic three-way valves are respectively communicated with the upper ends of the corresponding piston holes and one ends of the corresponding sliding cavities far away from the corresponding turntables through hoses.
The invention only needs to place the limbs of the laboratory mouse in the corresponding constraint belts, and starts the air source device and the electromagnetic three-way valve to realize the tightening, the fixing process is convenient and quick, and the tightening force can control the air inflow in the piston hole according to the actual situation to control; meanwhile, the constraint belt in the invention does not need to have elasticity, but directly realizes the tightening by air pressure and further realizes the turntable positioning by air pressure, the tightening force born by the limbs of the laboratory mouse after the complete fixation is controllable and stable, the laboratory mouse can be effectively prevented from struggling and escaping, and the limbs of the laboratory mouse are prevented from being damaged by the constraint of excessive elasticity.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view a-a of the present invention.
Fig. 4 is an isometric view of the present invention.
Fig. 5 is a perspective cross-sectional view of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the experimental table comprises an experimental table 1 consisting of a rack and a table plate and a plurality of constraint belts 2 corresponding to four limbs and tails of an experimental mouse respectively, wherein a plurality of turntables 3 corresponding to the constraint belts 2 one by one are distributed on the table plate of the experimental table 1, the turntables 3 are rotatably connected with the experimental table 1 along a vertical shaft, and the upper end surfaces of the turntables 3 are flush with the upper end surface of the table plate of the experimental table 1; the rotary table 3 is provided with two slotted holes 4 which vertically penetrate through the rotary table 3, the lower end of the rotary table 3 is provided with a vertically arranged piston hole 5, a vertically sliding piston column 6 is arranged in the piston hole 5, and two ends of the binding belt 2 respectively penetrate through the two corresponding slotted holes 4 from top to bottom and are connected with the piston column 6; the experiment table 1 is provided with sliding blocks 7 which correspond to the rotary tables 3 one by one, the sliding blocks 7 are arranged on one side of the corresponding rotary tables 3 and are horizontally connected with the experiment table 1 in a sliding manner, the experiment table 1 is provided with a sliding cavity 8 matched with the sliding blocks 7, the sliding blocks 7 are connected with the experiment table 1 through springs 9, so that the sliding blocks 7 slide in the direction far away from the corresponding rotary tables 3 through the elastic force of the springs 9 and are separated from the corresponding rotary tables 3, and the rotary tables 3 can rotate freely; the experiment table 1 is provided with a plurality of electromagnetic three-way valves 10 which are in one-to-one correspondence with the rotary discs 3, and two air outlet ends of the electromagnetic three-way valves 10 are respectively communicated with the upper ends of the corresponding piston holes 5 and one ends of the corresponding sliding cavities 8 far away from the corresponding rotary discs 3 through hoses 11; the electromagnetic three-way valve 10 is characterized by also comprising air source equipment such as an air compressor, an air pump, an air tank and the like, wherein the air inlet end of the electromagnetic three-way valve 10 is communicated with the output end of the air source equipment through a pipeline, and the pipeline can be additionally provided with an air release valve; when the air source equipment is started, the electromagnetic three-way valve 10 is used for switching the air flow direction, high-pressure air flow is sequentially guided to the piston hole 5 and the sliding cavity 8, so that the piston column 6 slides downwards and pulls the corresponding constraint belt 2 to generate binding force to complete limb fixation, the sliding block 7 slides towards the corresponding rotary table 3 to be in extrusion contact with the corresponding rotary table 3, and the rotation stopping of the rotary table 3 is realized; after the experiment is finished, the air source equipment is closed, the air release valve is opened, then the electromagnetic three-way valve 10 is used again for switching the air flow direction, the pressure in the sliding cavity 8 and the piston hole 5 is released in sequence, the sliding block 7 is not pushed by air pressure any more and slides under the action of the elasticity of the spring 9 in a resetting way, so that the turntable 3 is in a free rotation state again, and meanwhile, the constraint belt 2 loses the lower pulling force and is in a loose state, and the constraint belt can be used again after being pulled out upwards.
Preferably, the rotary disc 3 is provided with an accommodating cavity 12 arranged above the piston hole 5, the slotted hole 4 penetrates through the accommodating cavity 12 and is communicated with the accommodating cavity 12, two ends of the restraining belt 2 respectively penetrate through the two slotted holes 4 downwards, and then two sections of the restraining belt 2 are arranged in the accommodating cavity 12; the rotating disc 3 is provided with two pairs of roller groups 13 arranged in the accommodating cavity 12, each roller group 13 is formed by arranging two rollers (a roller 13a and a roller 13 b) in parallel, and the two pairs of roller groups 13 respectively clamp two sections of the restraining belt 2 arranged in the accommodating cavity 12; when the binding belt 2 moves up and down, the roller group 13 is rubbed by the binding belt 2 to make the two rollers rotate in opposite directions; when two rollers in any pair of roller groups 13 rotate in opposite directions, the binding belt 2 generates vertical transmission under the action of friction force; the rotary disc 3 is provided with a volute spiral spring 14 connected with any roller in the roller group 13, the roller group 13 rotates by using the elastic force of the volute spiral spring 14, and then the upward moving power is provided for the restraining belt 2, so that the restraining belt 2 is convenient to reset.
Preferably, the lower end of the piston column 6 is provided with a limiting plate 15 arranged below the rotary table 3, and two ends of the constraint belt 2 respectively penetrate through the two corresponding slotted holes 4 from top to bottom and are connected with the limiting plate 15; limiting plate 15 can carry out the level with the lower extreme of piston post 6 and extend, and the constraint of being convenient for takes 2 and piston post 6 to be connected, and simultaneously, limiting plate 15 both can carry on spacingly to the upwards slip of piston post 6, can be used for adjusting again and tie up the stress point between 2 and the piston post 6, and each part atress is even when making piston post 6 reset to slide, avoids appearing axial skew and makes piston post 6 slide obstructed.
Preferably, the experiment table 1 is provided with an air storage chamber 16, the air inlet end of the electromagnetic three-way valve 10 is communicated with the air storage chamber 16 through a pipeline, the experiment table 1 is provided with an air inlet channel 17 communicated with the air storage chamber 16, and the air inlet channel 17 is communicated with the output end of an air source device through a pipeline; the air storage chamber 16 is used as a relay connection station between the air source equipment and the electromagnetic three-way valves 10, so that the number of external pipelines can be effectively reduced, the pipelines can be conveniently arranged and maintained, air pressure can be buffered and transited, the air pressure obtained in the electromagnetic three-way valves 10 is more stable and consistent, and the problem that the binding belt 2 is influenced in binding force due to the fact that pressure changes are caused by individual pipeline faults when the pipelines are directly connected is solved.
Preferably, the number of the binding belts 2 is six, wherein four binding belts 2 are arranged on the right part of the experiment table 1 in a quadrilateral uniform distribution manner and are used for fixing the four limbs of the laboratory mouse, and the other two binding belts 2 are arranged on the left part of the experiment table 1 in a linear arrangement manner and are used for fixing the tail part of the laboratory mouse.
Preferably, the experiment table 1 is provided with a control panel 18, the control panel 18 is provided with a plurality of branch control switches 19 which are connected with the electromagnetic three-way valves 10 in a one-to-one correspondence manner, and each electromagnetic three-way valve 10 is independently controlled by the branch control switches 19, so that four limbs and the tail of the experimental mouse can be conveniently and sequentially positioned and fastened, the fixation of the experimental mouse can be independently completed by an operator, and unnecessary labor cost is reduced.
When the device is used, the air source equipment is started, after the laboratory mouse is captured, the four limbs and the tail of the laboratory mouse sequentially extend into the corresponding binding belts 2, and the corresponding sub-control switches 19 are started, after the sub-control switches 19 are started, the corresponding electromagnetic three-way valves 10 open the passages corresponding to the piston holes 5, so that the corresponding piston columns 6 slide downwards to tighten the corresponding binding belts 2; then the sub-control switch 19 is pressed down again, the electromagnetic three-way valve 10 opens the passage corresponding to the sliding cavity 8, so that the sliding block 7 and the rotary table 3 are extruded to lock the rotary table 3, and the fixing of the binding belt 2 is completed; after the limbs of the experimental mouse are fixed in sequence according to the method, the experimental mouse can be punctured and injected; after the experiment is finished, the air source equipment is closed, and the air release valve and the like are utilized to sequentially exhaust the passages corresponding to the piston hole 5 and the sliding cavity 8, so that the laboratory mouse can be released.
According to the invention, manual binding is not needed, only the limbs of the laboratory mouse are placed in the corresponding binding belts, and the air source equipment and the electromagnetic three-way valve are started to realize binding, so that the fixing process is convenient and quick, the direct contact time of workers and the laboratory mouse is reduced, the bite accident is avoided, the binding force can control the air inflow in the piston hole according to the actual situation, and the control precision of the binding force can be further improved by matching with readable equipment such as a pressure gauge and the like; different from the existing laboratory mouse fixing device, the fixing device comprises the following components: the binding belt in the invention does not need to have elasticity, but directly realizes binding by air pressure and further realizes turntable positioning by air pressure, the binding force born by the limbs of the laboratory mouse after complete fixation is controllable and stable, the experimental mouse can be effectively prevented from escaping due to elastic stretching of the binding belt when the laboratory mouse struggles, and the injury caused by the constraint of excessive elasticity to the limbs of the laboratory mouse can be avoided.
Claims (6)
1. A rapid positioning and fastening device for laboratory mice comprises a laboratory table (1) and a plurality of binding belts (2), and is characterized in that the laboratory table (1) is provided with a plurality of turntables (3), and the turntables (3) are rotationally connected with the laboratory table (1) along a vertical shaft; the binding belt is characterized in that two vertically-penetrating slotted holes (4) are formed in the rotary table (3), a vertically-arranged piston hole (5) is formed in the lower end of the rotary table (3), a piston column (6) is arranged in the piston hole (5), and two ends of the binding belt (2) respectively penetrate through the two slotted holes (4) from top to bottom and are connected with the piston column (6); the experiment table (1) is provided with sliding blocks (7) which correspond to the rotary table (3) one by one, the sliding blocks (7) are arranged on one side of the rotary table (3) and are horizontally and slidably connected with the experiment table (1), a sliding cavity (8) matched with the sliding blocks (7) is arranged on the experiment table (1), and the sliding blocks (7) are connected with the experiment table (1) through springs (9); the experiment table (1) is provided with a plurality of electromagnetic three-way valves (10) which are in one-to-one correspondence with the turntables (3), and two air outlet ends of the electromagnetic three-way valves (10) are respectively communicated with the corresponding piston holes (5) and the corresponding sliding cavities (8).
2. The laboratory mouse rapid positioning and tightening device as claimed in claim 1, wherein the rotary table (3) is provided with a containing cavity (12) arranged above the piston hole (5), the slotted holes (4) penetrate through the containing cavity (12) and are communicated with the containing cavity (12), two ends of the restraining belt (2) respectively penetrate through the two slotted holes (4) downwards, and then two sections of the restraining belt (2) are arranged in the containing cavity (12); two pairs of roller groups (13) are arranged in the accommodating cavity (12) on the rotary disc (3), the roller groups (13) are formed by arranging two rollers in parallel, and the two pairs of roller groups (13) respectively clamp two sections of the restraining belt (2) which are arranged in the accommodating cavity (12); when the binding belt (2) moves up and down, the roller group (13) is rubbed by the binding belt (2) to enable the two rollers to rotate in opposite directions; when two rollers in any pair of roller groups (13) rotate in opposite directions, the binding belt (2) generates vertical transmission under the action of friction force; the rotary disc (3) is provided with a volute spiral spring (14) connected with the roller group (13).
3. The rapid positioning and fastening device for laboratory mice according to claim 1, wherein the lower end of the piston column (6) is provided with a limiting plate (15) disposed below the turntable (3), and the two ends of the restraining belt (2) respectively penetrate through the two slotted holes (4) from top to bottom and are connected with the limiting plate (15).
4. The quick laboratory mouse positioning and fastening device according to claim 1, wherein an air storage chamber (16) is formed in the laboratory table (1), an air inlet end of the electromagnetic three-way valve (10) is communicated with the air storage chamber (16), and an air inlet passage (17) communicated with the air storage chamber (16) is formed in the laboratory table (1).
5. The quick laboratory mouse positioning and tightening device according to claim 1, wherein the number of the binding belts (2) is six, four of the binding belts (2) are arranged on the right part of the laboratory table (1) in a quadrilateral uniform distribution manner, and the other two binding belts (2) are arranged on the left part of the laboratory table (1) in a straight line manner.
6. The quick laboratory mouse positioning and fastening device according to claim 1, wherein a control panel (18) is provided on the laboratory table (1), and a plurality of sub-control switches (19) connected with the three-way electromagnetic valves (10) in a one-to-one correspondence manner are provided on the control panel (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045222.4A CN110721004B (en) | 2019-10-30 | 2019-10-30 | Quick positioning and tightening device for laboratory mouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045222.4A CN110721004B (en) | 2019-10-30 | 2019-10-30 | Quick positioning and tightening device for laboratory mouse |
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| Publication Number | Publication Date |
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| CN110721004A true CN110721004A (en) | 2020-01-24 |
| CN110721004B CN110721004B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911045222.4A Active CN110721004B (en) | 2019-10-30 | 2019-10-30 | Quick positioning and tightening device for laboratory mouse |
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| CN110721004B (en) | 2021-09-24 |
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