Mouse weighing device for pharmacological experiment
The mice are fixed by a motor-driven bidirectional screw and pulley system, which solves the problem of shaking of the mouse weighing device, achieves stable fixation of the mice and improves experimental efficiency.
Patent Information
- Application Number
- CN202422662411.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The mice struggle during the weighing process, causing the device to shake, affecting the stability of the weight data. Experiments with multiple mice are time-consuming, affecting the progress of pharmacological experiments.
A fixing assembly is used, including a motor-driven bidirectional screw and pulley system, which fixes the mouse through an arc plate and a buffer spring to avoid injury caused by excessive pressure and improve the fixation effect.
It achieves stable fixation of mice, improves weighing accuracy and experimental efficiency, reduces shaking of mice during the experiment, and improves the accuracy and efficiency of pharmacological experiments.
Smart Images
Figure CN223389267U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mouse weighing devices, in particular to a mouse weighing device for pharmacological experiments. Background Art
[0002] A mouse weighing device is a device used to accurately measure the weight of mice in pharmacology experiments. When conducting drug experiments, the weight change of mice is one of the important indicators for evaluating the efficacy and safety of drugs. A mouse weighing device usually includes an accurate electronic scale and a weighing container suitable for the size of mice. The accuracy of the electronic scale can be selected according to the experimental requirements. Common accuracy is 0.01g or higher.
[0003] In the actual mouse weighing process, since mice are living creatures, they will inevitably struggle when weighed in an unfamiliar environment, causing the weighing device to shake, making it difficult to obtain stable weight data. In addition, pharmacological experiments usually require the use of multiple mice for comparative experiments, which requires multiple mouse weighings. This results in a longer time for the mice to bear the weight, affecting the progress of the pharmacological experiment. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a mouse weighing device for pharmacology experiments.
[0005] The utility model is implemented by the following technical solution: a mouse weighing device for pharmacological experiments, comprising an electronic scale, wherein the upper end of the electronic scale is fixedly connected to a weighing pan, a placement seat is provided inside the weighing pan, a fixing component is provided at the upper end of the weighing pan, and a limiting groove is provided on the inner wall of the placement seat;
[0006] The fixing assembly includes a motor, the output end of the motor is fixedly connected to a bidirectional screw rod, the surface of the bidirectional screw rod is threadedly connected to a nut seat, the top of the nut seat is fixedly connected to an extension rod, one end of the extension rod is fixedly connected to an arc plate, one end of the arc plate is fixedly connected to a buffer spring, the end of the buffer spring away from the arc plate is fixedly connected to an arc cushion, the surface of the bidirectional screw rod is fixedly connected to a pulley, and the inner wall of the pulley is provided with a transmission belt.
[0007] Through the above technical solution, the bidirectional screw is driven by the motor to rotate, driving the nut seat to move, so that the arc plates move closer to each other until the arc cushion contacts the mouse body. The clamping pressure is buffered by the buffer spring to avoid injury to the mouse caused by excessive pressure. The mouse is fixed by the arc cushion, the operation is convenient and fast, and the accuracy and efficiency of the experiment are improved. The number of buffer springs is set to improve the buffering effect, thereby improving the protection of the mouse.
[0008] As a further improvement of the above solution, the right end of the motor is fixedly connected to a mounting seat, and one end of the mounting seat is fixedly connected to the surface of the placement seat.
[0009] With the above technical solution, the motor is installed and supported by the mounting base, making the motor more stable during operation.
[0010] As a further improvement of the above solution, the surface of the bidirectional screw is rotatably connected to the inner wall of the placement seat, and the surface of the nut seat is slidably connected to the inner wall of the limiting groove.
[0011] Through the above technical solution, the nut seat is limited by the limiting groove, so that the nut seat moves more accurately and stably.
[0012] As a further improvement of the above solution, the number of the nut seat, the extension rod, the arc plate and the arc cushion is four.
[0013] Through the above technical solution, the four curved plates and the curved soft pads are used to achieve stable clamping of the mouse, thereby improving the fixation effect of the mouse, preventing the mouse from shaking during the experiment, and improving the accuracy and efficiency of the experiment.
[0014] As a further improvement of the above solution, the number of the bidirectional screw rods and pulleys is set to two, the two bidirectional screw rods are symmetrically distributed with the placement seat as the center, and the two pulleys are connected by a transmission belt.
[0015] Through the above technical solution, when one of the pulleys rotates, it drives the transmission belt to rotate, and the transmission belt drives the other pulley to rotate, so that the two bidirectional screw rods rotate, thereby driving the four nut seats to move, thereby improving convenience in actual use.
[0016] As a further improvement of the above solution, the bottom of the placement seat is fixedly connected to a support column, and the upper surface of the placement seat is fixedly connected to a control panel.
[0017] Through the above technical solution, the start and stop of the motor can be quickly controlled through the control panel, thereby improving the convenience of operation during use.
[0018] As a further improvement of the above solution, the number of the support columns is set to four, and the bottoms of the four support columns are fixedly connected with rubber anti-slip pads.
[0019] Through the above technical solution, the placement seat is stably supported by four support columns, and the friction with the inner wall of the scale pan is increased by the rubber anti-slip pad, so that the placement seat is more stable when placed inside the scale pan, avoiding shaking of the placement seat.
[0020] Compared with the prior art, the beneficial effects of the present invention are:
[0021] The utility model sets a fixing component, specifically, a motor drives a bidirectional screw to rotate, drives a pulley to rotate, and makes a transmission belt drive another pulley, thereby making the two bidirectional screws rotate, driving a nut seat to move, so that the arc plates move closer to each other until the arc cushion contacts the mouse body, and the clamping pressure is buffered by a buffer spring to avoid injury to the mouse caused by excessive pressure. The mouse is fixed by four arc cushions, thereby increasing the effect of fixing the mouse and improving the accuracy and efficiency of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;
[0024] Figure 3 This is a schematic diagram of the connection structure of the placement seat of the utility model;
[0025] Figure 4 This is a schematic diagram of the structure of the fixed component of the utility model;
[0026] Figure 5 This is a schematic diagram of the nut seat connection structure of the utility model;
[0027] Figure 6 It is a schematic diagram of the overall top view of the structure of the utility model.
[0028] Description of main symbols:
[0029] 1. Electronic scale; 2. Weighing pan; 3. Placement seat; 4. Fixing assembly; 401. Motor; 402. Bidirectional screw; 403. Nut seat; 404. Extension rod; 405. Arc plate; 406. Buffer spring; 407. Arc cushion; 408. Pulley; 409. Drive belt; 5. Limit slot; 6. Mounting seat; 7. Support column; 8. Rubber anti-slip pad; 9. Control panel. DETAILED DESCRIPTION
[0030] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0031] Example:
[0032] Please combine Figure 1-6The present embodiment provides a mouse weighing device for pharmacological experiments, comprising an electronic scale 1, a weighing pan 2 fixedly connected to the upper end of the electronic scale 1, a placement seat 3 provided inside the weighing pan 2, a fixing component 4 provided at the upper end of the weighing pan 2, and a limiting groove 5 provided on the inner wall of the placement seat 3;
[0033] The fixing assembly 4 includes a motor 401, the output end of the motor 401 is fixedly connected to a bidirectional screw rod 402, the surface of the bidirectional screw rod 402 is threadedly connected to a nut seat 403, the top of the nut seat 403 is fixedly connected to an extension rod 404, one end of the extension rod 404 is fixedly connected to an arc plate 405, one end of the arc plate 405 is fixedly connected to a buffer spring 406, and the end of the buffer spring 406 away from the arc plate 405 is fixedly connected to an arc cushion 407, the surface of the bidirectional screw rod 402 is fixedly connected to a pulley 408, and the inner wall of the pulley 408 is provided with a transmission belt 409. The operator captures the mouse and places it on the Place the mouse in the middle of the seat 3, and then start the motor 401. The motor 401 drives the bidirectional screw rod 402 to rotate, and drives the pulley 408 to rotate, so that the transmission belt 409 drives another pulley 408, thereby rotating the two bidirectional screw rods 402, driving the nut seat 403 to move, so that the arc plates 405 move closer to each other until the arc cushion 407 contacts the mouse body. The buffer spring 406 buffers the clamping pressure to avoid excessive pressure causing injury to the mouse. The four arc cushions 407 are used to fix the mouse, thereby increasing the effect of fixing the mouse and improving the accuracy and efficiency of the experiment.
[0034] The right end of the motor 401 is fixedly connected to the mounting base 6 , and one end of the mounting base 6 is fixedly connected to the surface of the placement base 3 .
[0035] The surface of the bidirectional screw rod 402 is rotatably connected to the inner wall of the placement seat 3, and the surface of the nut seat 403 is slidably connected to the inner wall of the limiting groove 5. The position of the nut seat 403 is limited by the limiting groove 5 to prevent the nut seat 403 from rotating with the bidirectional screw rod 402.
[0036] There are four nut seats 403 , four extension rods 404 , four arc-shaped plates 405 and four arc-shaped cushions 407 .
[0037] There are two bidirectional screw rods 402 and two pulleys 408 . The two bidirectional screw rods 402 are symmetrically distributed with the placement seat 3 as the center, and the two pulleys 408 are connected by a transmission belt 409 .
[0038] The bottom of the placement seat 3 is fixedly connected to a support column 7 , and the upper surface of the placement seat 3 is fixedly connected to a control panel 9 .
[0039] There are four support columns 7 , and rubber anti-slip pads 8 are fixedly connected to the bottoms of the four support columns 7 .
[0040] The implementation principle of a mouse weighing device for pharmacological experiments in the embodiment of the present application is as follows: when in use, the operator captures the mouse and places it in the middle of the placement seat 3, and then starts the motor 401. The motor 401 drives the bidirectional screw rod 402 to rotate, and drives the pulley 408 to rotate, so that the transmission belt 409 drives another pulley 408, thereby rotating the two bidirectional screw rods 402, driving the nut seat 403 to move, so that the arc plates 405 move closer to each other until the arc cushion 407 contacts the mouse body, and the clamping pressure is buffered by the buffer spring 406 to avoid injury to the mouse caused by excessive pressure. The mouse is fixed by the four arc cushions 407 to prevent the mouse from moving, thereby improving the accuracy and efficiency of the experiment. Then the placement seat 3 is placed inside the weighing pan 2 and weighed by the electronic scale 1.
[0041] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.
Claims
1. A mouse weighing device for pharmacological experiments, characterized in that: The electronic scale (1) comprises an electronic scale (1), wherein the upper end of the electronic scale (1) is fixedly connected to a weighing pan (2), a placement seat (3) is provided inside the weighing pan (2), a fixing component (4) is provided at the upper end of the weighing pan (2), and a limiting groove (5) is provided on the inner wall of the placement seat (3); The fixing assembly (4) comprises a motor (401), the output end of the motor (401) is fixedly connected to a bidirectional screw rod (402), the surface of the bidirectional screw rod (402) is threadedly connected to a nut seat (403), the top of the nut seat (403) is fixedly connected to an extension rod (404), one end of the extension rod (404) is fixedly connected to an arc plate (405), one end of the arc plate (405) is fixedly connected to a buffer spring (406), the end of the buffer spring (406) away from the arc plate (405) is fixedly connected to an arc cushion (407), the surface of the bidirectional screw rod (402) is fixedly connected to a pulley (408), and the inner wall of the pulley (408) is provided with a transmission belt (409).
2. A mouse weighing device for pharmacological experiments according to claim 1, characterized in that: The right end of the motor (401) is fixedly connected to a mounting seat (6), and one end of the mounting seat (6) is fixedly connected to the surface of the placement seat (3).
3. A mouse weighing device for pharmacological experiments as claimed in claim 1, characterized in that: The surface of the bidirectional screw rod (402) is rotatably connected to the inner wall of the placement seat (3), and the surface of the nut seat (403) is slidably connected to the inner wall of the limiting groove (5).
4. A mouse weighing device for pharmacological experiments according to claim 1, characterized in that: The number of the nut seat (403), the extension rod (404), the arc-shaped plate (405) and the arc-shaped cushion (407) is four.
5. A mouse weighing device for pharmacological experiments as claimed in claim 1, characterized in that: The number of the bidirectional screw rods (402) and the pulleys (408) is two, the two bidirectional screw rods (402) are symmetrically distributed with the placement seat (3) as the center, and the two pulleys (408) are connected by a transmission belt (409).
6. A mouse weighing device for pharmacological experiments as claimed in claim 2, characterized in that: The bottom of the placement seat (3) is fixedly connected to a support column (7), and the upper surface of the placement seat (3) is fixedly connected to a control panel (9).
7. A mouse weighing device for pharmacological experiments according to claim 6, characterized in that: The number of the support columns (7) is four, and the bottoms of the four support columns (7) are all fixedly connected with rubber anti-slip pads (8).