CN220235720U - Automatic weighing mechanism for measuring water intake of laboratory mice - Google Patents
Automatic weighing mechanism for measuring water intake of laboratory mice Download PDFInfo
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- CN220235720U CN220235720U CN202321625045.9U CN202321625045U CN220235720U CN 220235720 U CN220235720 U CN 220235720U CN 202321625045 U CN202321625045 U CN 202321625045U CN 220235720 U CN220235720 U CN 220235720U
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- shell
- pipe body
- water intake
- automatic weighing
- weighing mechanism
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000005303 weighing Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 241000699670 Mus sp. Species 0.000 title claims description 17
- 230000035622 drinking Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000011148 porous material Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 241000699666 Mus <mouse, genus> Species 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000010171 animal model Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 7
- 241000555745 Sciuridae Species 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002324 mouth wash Substances 0.000 description 1
- 229940051866 mouthwash Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
The utility model discloses an automatic weighing mechanism for measuring the water intake of an experimental mouse, which comprises a carrier plate and a through groove arranged on the carrier plate; the through groove is in clearance fit with the drinking bottle, the outer wall of the drinking bottle is fixedly sleeved with a circular ring seat, a plurality of pressure sensors are arranged on the carrier plate, and the circular ring seat is arranged at the top of the pressure sensors; the bottom of the drinking bottle is fixedly communicated with a first pipe body, the bottom end of the first pipe body is provided with a flowmeter, one end of the flowmeter, which is far away from the first pipe body, is provided with a second pipe body, and the tail end of the second pipe body is provided with a suction nozzle capable of being opened and closed automatically; the suction nozzle comprises a shell and a sealing disc which is arranged inside the shell and can move along the length direction of the shell, one end of the shell is fixedly sleeved with one end of the second pipe body, the other end of the shell is of a semicircle-type structure, and a plurality of pores are formed in the semicircle-type position of the shell. The utility model has the advantages that the starting time and the ending time of the drinking of the experimental animal are accurately mastered, and the water intake is accurate; meanwhile, the measurement is not needed manually, and the whole use is convenient.
Description
Technical Field
The utility model relates to the field of water intake metering, in particular to an automatic weighing mechanism for measuring the water intake of an experimental mouse.
Background
At present, the operation flow of the drinking test of the laboratory mice is as follows: taking out the drinking bottle manually to disable the target laboratory mouse for 24 hours, weighing the drinking bottle after 24 hours, putting the drinking bottle into a squirrel cage, taking out the drinking bottle after the countdown is finished after the laboratory mouse drinks the first mouthwash and weighing again, and taking out the drinking bottle before and after the drinking test, wherein the weight difference of the drinking bottle is the drinking amount of the laboratory mouse.
The drinking bottle for the mouse experiment comprises a bottle body and a measuring cylinder connected and communicated with the bottle body; the bottle body comprises a flat bottom and an arched top, and the measuring cylinder is connected to the arched top; wherein, the measuring cylinder forms an included angle of 10-60 degrees with the plane where the straight bottom is located. When the drinking bottle for the mouse experiment is used, the drinking bottle is filled with water and then placed at the position where the bottle is placed by the mouse cage for the experiment, so that the bottle body is inclined, the measuring cylinder is in the vertical direction, and the liquid level in the measuring cylinder is horizontal, thereby being convenient for accurate reading. When the water intake of the mice is read, the water intake bottle is not required to be pulled out from the squirrel cage, so that the problem of shaking and liquid leakage is avoided, the accuracy of the water intake measurement of the mice is improved, the volume number can be intuitively read from the measuring cylinder, and the time and the labor are saved;
although the metering of the water intake can be realized without weighing, the metering device has the following defects that in the metering process, in the timing process, the timing is still needed manually, the starting time and the ending time of the water intake of the experimental animal cannot be accurately mastered, the accurate water intake is difficult, and errors exist.
Therefore, an automatic weighing mechanism for measuring the water intake of the laboratory mice is provided for solving the problems.
Disclosure of Invention
The utility model provides an automatic weighing mechanism for measuring the water intake of an experimental mouse, which is used for solving the problem that drinking water is not easy to time in the prior art.
An automatic weighing mechanism for measuring the water intake of an experimental mouse comprises a carrier plate and a through groove arranged on the carrier plate; the through groove is connected with a drinking bottle in clearance fit, an annular seat is fixedly sleeved on the outer wall of the drinking bottle, a plurality of pressure sensors are arranged on the carrier plate, and the annular seat is arranged at the top of the pressure sensors; the bottom of the water drinking bottle is fixedly communicated with a first pipe body, a flowmeter is arranged at the bottom end of the first pipe body, a second pipe body is arranged at one end, far away from the first pipe body, of the flowmeter, and a suction nozzle capable of being opened and closed automatically is arranged at the tail end of the second pipe body; the suction nozzle comprises a shell and a sealing disc which is arranged inside the shell and can move along the length direction of the shell, one end of the shell is fixedly sleeved with one end of the second pipe body away from the flowmeter, the other end of the shell is of a semicircular structure, and a plurality of pores are formed in the semicircular position of the shell.
Further, the top of the drinking bottle is fixedly communicated with a liquid adding port, and a sealing cover is arranged at the top end of the liquid adding port in a threaded manner.
Further, a control box and a display screen are arranged at the top of the carrier plate, and a singlechip controller, a timer and a power supply are arranged in the control box.
Further, a single-chip microcomputer controller in the control box is electrically connected with a switch.
Further, the suction nozzle further comprises a guide hole plate and a mounting seat which are fixedly mounted in the shell, the guide hole plate is provided with a guide hole, the guide hole is connected with an iron rod in a clearance fit mode, the mounting seat is fixedly provided with an electromagnet, the electromagnet is located at one end of the iron rod, the other end of the iron rod is fixedly mounted with the sealing disc, a spring is sleeved on the iron rod, one end of the spring is fixedly connected with the rod surface of the iron rod, and the other end of the spring is fixedly connected with the plate surface of the guide hole plate.
Further, a rubber gasket is arranged on the surface, close to the fine holes, of the sealing disc.
The utility model has the advantages that: according to the automatic weighing mechanism for measuring the water intake of the laboratory mice, provided by the utility model, the water intake of the laboratory mice can be rapidly ended after the timing is finished through the self-opening and closing suction nozzle, the timing is started to automatically start timing through whether the flowmeter has a flow condition or not, manual timing is not needed, the experimental precision is improved, the starting and ending time of the water intake of the laboratory animals is accurately mastered, the water intake is accurate, and the error is reduced; meanwhile, the measurement is realized through the flowmeter and the pressure sensor, the manual measurement is not needed, and the whole use is convenient.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of a cross-sectional structure of a beverage bottle and a carrier plate according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a suction nozzle according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a hole guiding plate and a casing according to an embodiment of the utility model.
In the figure: 1. a drinking bottle; 2. a carrier plate; 3. a circular ring seat; 4. a sealing cover; 5. a display screen; 6. a switch; 7. a control box; 8. a first tube body; 9. a flow meter; 10. a second tube body; 11. a suction nozzle; 1101. a housing; 1102. an electromagnet; 1103. a mounting base; 1104. a hole guide plate; 1105. an iron rod; 1106. a spring; 1107. sealing the disc; 1108. fine pores; 12. a through groove; 13. a pressure sensor.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-4, an automatic weighing mechanism for measuring water intake of a laboratory mouse includes a carrier plate 2 and a through slot 12 formed on the carrier plate 2;
the through groove 12 is connected with the drinking bottle 1 in clearance fit, the outer wall of the drinking bottle 1 is fixedly sleeved with the circular ring seat 3, the carrier plate 2 is provided with a plurality of pressure sensors 13, and the circular ring seat 3 is placed at the top of the pressure sensors 13;
the bottom of the drinking bottle 1 is fixedly communicated with a first pipe body 8, a flowmeter 9 is arranged at the bottom end of the first pipe body 8, a second pipe body 10 is arranged at one port of the flowmeter 9 far away from the first pipe body 8, and a suction nozzle 11 capable of being automatically opened and closed is arranged at the tail end of the second pipe body 10;
the suction nozzle 11 comprises a housing 1101 and a sealing disc 1107 which is arranged in the housing 1101 and can move along the length direction of the housing 1101, one end of the housing 1101 is fixedly sleeved with one end of the second pipe body 10, which is far away from the flowmeter 9, the other end of the housing 1101 is of a semicircle sphere structure, and a plurality of pores 1108 are formed in the semicircle sphere position of the housing 1101;
the sealing plate 1107 covers the pores 1108 when the mouthpiece 11 is closed, and the sealing plate 1107 is separated from the pores 1108 when the mouthpiece 11 is opened.
In the concrete implementation, the liquid filling opening is fixedly arranged at the top of the drinking water bottle 1 in a communicated manner, the sealing cover 4 is arranged at the top end thread of the liquid filling opening, and the liquid is filled in the drinking water bottle 1 through the liquid filling opening.
Further, a control box 7 and a display screen 5 are arranged at the top of the carrier plate 2, and a singlechip controller, a timer and a power supply are arranged in the control box 7; the singlechip controller in the control box 7 is electrically connected with a switch 6; the singlechip controller is electrically connected with the display screen 5, the flowmeter 9, the electromagnet 1102, the timer and the switch 6, plays a role of integral control, and a charging interface of the power supply extends out of the control box 7 for charging;
wherein the switch 6 is a push button switch for providing control for starting the test to open the aperture 1108 in the nozzle 11.
As a specific technical scheme, the suction nozzle 11 further includes a guide hole plate 1104 and an installation seat 1103 that are fixedly installed in the housing 1101, the guide hole plate 1104 is provided with a guide hole, the guide hole is connected with an iron rod 1105 in a clearance fit manner, the installation seat 1103 is fixedly installed with an electromagnet 1102, the electromagnet 1102 is located at one end of the iron rod 1105, the other end of the iron rod 1105 is fixedly installed with the sealing disc 1107, a spring 1106 is sleeved on the iron rod 1105, one end of the spring 1106 is fixedly connected with a rod surface of the iron rod 1105, and the other end of the spring 1106 is fixedly connected with a plate surface of the guide hole plate 1104; a rubber gasket is provided on the surface of the sealing plate 1107 close to the pores 1108, and the opening and closing of the pores 1108 are controlled by the on-off of the electromagnet 1102.
The using method comprises the following steps: when the automatic weighing mechanism for measuring the water intake of the laboratory mice provided by the utility model is used for carrying out a laboratory mice drinking test, the mechanism is placed on a squirrel cage with a hole at the top (the hole is closed when the experiment is not carried out, a pull-out net door or a cover can be arranged to cover the hole), and the hole is smaller than the length and the width of the carrier plate 2, so that the drinking bottle 1 can pass through, and the carrier plate 2 is placed and loaded at the top of the squirrel cage;
then through pressing the switch 6, the singlechip controller receives a signal, so that the electromagnet 1102 is electrified to generate magnetic force, the iron rod 1105 is magnetically attracted, meanwhile, the spring 1106 is compressed, the iron rod 1105 drives the sealing disc 1107 to move together and separate from the fine holes 1108, because the orifices are smaller, water drops can seal the fine holes due to tension factors, when a laboratory mouse does not absorb water, the laboratory mouse cannot leak, and when the laboratory mouse absorbs water, water flows through the flowmeter 9 to be metered, meanwhile, the signal is transmitted to the singlechip controller, the timer is started to time, the time is counted to 4min, the electromagnet 1102 is powered off through the singlechip controller, so that the iron rod 1105 is demagnetized and attracted, the sealing disc 1107 is driven by the elasticity of the spring 1106 to seal the fine holes 1108, the laboratory mouse cannot absorb water, and the experiment is completed;
by taking out the whole mechanism, the numerical value displayed on the flowmeter 9 is combined with the pressure numerical value sensed before and after the experiment of the pressure sensor 13, the sensed data is transmitted to the singlechip controller for processing, the display is used for displaying, and the water intake can be judged by the difference value of the pressure numerical values before and after the experiment.
The automatic weighing mechanism for measuring the water intake of the laboratory mice provided by the utility model can quickly finish water intake of the laboratory mice through the self-opening and closing suction nozzle 11 after timing is finished, and the timing starts to automatically start timing through whether the flowmeter 9 has a flow condition or not without manual timing, so that the experimental precision is improved, the starting and finishing time of the water intake of the laboratory animals is accurately mastered, the water intake is accurate, and the error is reduced; meanwhile, the measurement is realized through the flowmeter 9 and the pressure sensor 13, the measurement is not needed to be performed manually, and the whole use is convenient.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. An automatic weighing mechanism for measuring the water intake of an experimental mouse, which is characterized in that: comprises a carrier plate (2) and a through groove (12) arranged on the carrier plate (2);
the through groove (12) is connected with the drinking bottle (1) in a clearance fit manner, the outer wall of the drinking bottle (1) is fixedly sleeved with the circular ring seat (3), the carrier plate (2) is provided with a plurality of pressure sensors (13), and the circular ring seat (3) is placed at the top of the pressure sensors (13);
the bottom of the drinking bottle (1) is fixedly communicated with a first pipe body (8), a flowmeter (9) is arranged at the bottom end of the first pipe body (8), a second pipe body (10) is arranged at one port, far away from the first pipe body (8), of the flowmeter (9), and a suction nozzle (11) capable of being opened and closed automatically is arranged at the tail end of the second pipe body (10);
the suction nozzle (11) comprises a shell (1101) and a sealing disc (1107) which is arranged inside the shell (1101) and can move along the length direction of the shell (1101), one end of the shell (1101) is fixedly sleeved with one end of the second pipe body (10) far away from the flowmeter (9), the other end of the shell (1101) is of a semicircular structure, and a plurality of pores (1108) are formed in the semicircular position of the shell (1101).
2. An automatic weighing mechanism for measuring water intake of laboratory mice as claimed in claim 1, wherein: the top of the drinking bottle (1) is fixedly communicated with a liquid adding port, and a sealing cover (4) is arranged at the top end of the liquid adding port in a threaded manner.
3. An automatic weighing mechanism for measuring water intake of laboratory mice as claimed in claim 1, wherein: the top of support plate (2) is provided with control box (7) and display screen (5), be provided with singlechip controller, time-recorder and power in control box (7).
4. An automatic weighing apparatus for measuring water intake of laboratory mice as claimed in claim 3, wherein: the singlechip controller in the control box (7) is electrically connected with a switch (6).
5. An automatic weighing mechanism for measuring water intake of laboratory mice as claimed in claim 1, wherein: the suction nozzle (11) further comprises a guide hole plate (1104) and a mounting seat (1103) which are fixedly mounted in the shell (1101), a guide hole is formed in the guide hole plate (1104), an iron rod (1105) is connected with the guide hole in a clearance fit mode, an electromagnet (1102) is fixedly mounted on the mounting seat (1103), the electromagnet (1102) is located at one end of the iron rod (1105), the other end of the iron rod (1105) is fixedly mounted with the sealing disc (1107), a spring (1106) is sleeved on the iron rod (1105), one end of the spring (1106) is fixedly connected with the rod surface of the iron rod (1105), and the other end of the spring (1106) is fixedly connected with the plate surface of the guide hole plate (1104).
6. An automatic weighing mechanism for measuring water intake of laboratory mice as claimed in claim 5, wherein: a rubber gasket is arranged on the surface, close to the fine holes (1108), of the sealing disc (1107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625045.9U CN220235720U (en) | 2023-06-26 | 2023-06-26 | Automatic weighing mechanism for measuring water intake of laboratory mice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625045.9U CN220235720U (en) | 2023-06-26 | 2023-06-26 | Automatic weighing mechanism for measuring water intake of laboratory mice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220235720U true CN220235720U (en) | 2023-12-26 |
Family
ID=89269680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321625045.9U Active CN220235720U (en) | 2023-06-26 | 2023-06-26 | Automatic weighing mechanism for measuring water intake of laboratory mice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220235720U (en) |
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2023
- 2023-06-26 CN CN202321625045.9U patent/CN220235720U/en active Active
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