CN209945522U - Mouse weighing device for pharmacology experiments - Google Patents

Abstract

The utility model discloses a rat weighing device for pharmacology experiments, which comprises a bottom shell and a fixed seat, wherein the fixed seat is installed at the upper end of the bottom shell, a rat fixing device is arranged on the outer wall of the upper end of the fixed seat, a button is arranged on the outer wall of the upper end of the bottom shell at the front side of the fixed seat, a display is arranged on the outer wall of the front end of the bottom shell at the left side of the button, supporting legs are arranged on the outer wall of the lower end of the bottom shell, which is close to four corners, a battery jar is arranged at the center of the lower end of the bottom shell, and the rat fixing device is additionally arranged in a tray, so that when the weight of a rat is measured in the tray, the rat can be clamped in the tray through a fixed curved rod and a connecting rod, thereby effectively inhibiting the rat from moving when the rat is weighed in the tray, thus the number displayed by the weighing device can not be, the experiment is more accurate, the elasticity of the fixed spring is not very strong, and the problem of injury to the white mouse cannot occur.

Description

Mouse weighing device for pharmacology experiments

Technical Field

The utility model belongs to the technical field of the electronic scale is relevant, concretely relates to mice weighing device for pharmacology experiments.

Background

The electronic balance is a kind of weighing apparatus, it is a tool for measuring the mass of object by using hooke's law or lever balance principle of force, and can be divided into three categories of mechanical scale, electronic scale and electromechanical combination scale according to the structure principle, and the electronic scale is mainly composed of load-bearing system (such as scale pan and scale body), force-transferring system (such as lever force-transferring system and sensor) and value-indicating system (such as dial and electronic display instrument) 3.

The existing white mouse weighing device technology for pharmacological experiments has the following problems: when the white mouse is weighed in an experiment, the white mouse is generally a living body, and the accuracy of a measurement result is influenced by the disorder of the white mouse on a weighing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mouse weighing device for pharmacology experiments to the problem of the influence measuring result of the mouse of providing on weighing the ware in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a white mouse weighing device for pharmacological experiments comprises a bottom shell and a fixed seat, wherein the fixed seat is installed at the upper end of the bottom shell, a white mouse fixing device is arranged on the outer wall of the upper end of the fixed seat, a button is arranged on the outer wall of the upper end of the bottom shell at the front side of the fixed seat, a display is arranged on the outer wall of the front end of the bottom shell at the left side of the button, supporting legs are arranged on the outer wall of the lower end of the bottom shell close to four corners, a battery jar is arranged at the center of the lower end of the bottom shell, a lithium battery is arranged inside the perimeter of the battery jar, a tray is arranged on the white mouse fixing device, the tray is arranged on the outer wall of the circumference at the upper end of the fixed seat, a fixed rod is arranged inside the circumference of the tray, the outer walls at the left end and, the display is characterized in that a fixed curved bar is connected to the outer wall of the rear end of the fixed spring, a connecting rod is connected to the outer wall of the rear end of the fixed curved bar, and the display is electrically connected with the lithium battery through a button.

Preferably, the number of the lithium batteries is two, the two lithium batteries are identical in size and shape, and the two lithium batteries are arranged inside the perimeter of the battery jar.

Preferably, the circumferential diameter of the tray is slightly larger than that of the fixing seat.

Preferably, the button is provided with threely altogether the size shape of button is all the same, and is three the equal equidistance of button sets up on the drain pan upper end outer wall of fixing base front side.

Preferably, the length of the fixing rod is slightly larger than the circumference radius of the tray.

Preferably, the number of the fixed springs is two, the two fixed springs are identical in size and shape, and the two fixed springs are respectively arranged on the periphery of the fixed rod, which is close to the left side and the right side.

Preferably, the length of the supporting leg is slightly larger than that of the fixed seat.

Compared with the prior art, the utility model provides a mice weighing device for pharmacology experiments possesses following beneficial effect:

the utility model discloses an install a mice fixing device additional in the tray, when making the weight of measuring mice in the tray, can block mice in the tray through fixed knee-lever and connecting rod, the confusion of mice when weighing in the tray has so effectively been suppressed, the registration of making weighing machine can not influenced like this, the data that reachs like this are more accurate, make the experiment more accurate, the elasticity of fixing spring is not very big, the problem of causing the injury to mice can not appear, and the tray is put in the fixing base upper end, when not using like this, can take off the tray, directly put the object to be measured on the fixing base and weigh, the inside mice fixing device of tray can not influence the normal use of weighing device like this, make the use of weighing device more humanized;

this novel mice weighing device is when using, place two No. five lithium cells in the battery jar, start weighing device through the button, place the tray in the fixing base upper end then zero to the device through the button, the zero setting result is through the display observation demonstration, place the mice in the tray, fix the inside at two fixed curved bars with the mice through pulling open the connecting rod, the connecting rod receives fixed spring elasticity recovery normal position and can weigh the mice, it can equally to pull open the connecting rod after the completion of weighing and take off the mice, when weighing other objects except mice, can take off the tray, directly put and weigh on the fixing base.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a white mouse weighing device for pharmacological experiments, which is provided by the utility model;

fig. 2 is a schematic bottom structure view of a rat weighing device for pharmacological experiments according to the present invention;

fig. 3 is a schematic top view of the weighing apparatus for a white mouse for pharmacological experiments according to the present invention;

fig. 4 is a schematic structural view of a mouse fixing device provided by the present invention;

in the figure: 1. a bottom case; 2. a fixed seat; 3. pressing a key; 4. a display; 5. a mouse fixing device; 6. a support leg; 7. a battery case; 8. a lithium battery; 9. a tray; 10. fixing the rod; 11. fixing the spring; 12. fixing a curved bar; 13. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a mouse weighing device for pharmacology experiments, includes drain pan 1 and fixing base 2, fixing base 2 is installed to the upper end of drain pan 1, is provided with mouse fixing device 5 on the upper end outer wall of fixing base 2, is provided with button 3 on the drain pan 1 upper end outer wall of 2 front sides of fixing base, and button 3 is provided with threely altogether, and three button 3's big or small shape homogeneous phase is the same, and three button 3 is impartial apart from setting up on the drain pan 1 upper end outer wall of 2 front sides of fixing base, and three button 3 corresponds three different functions respectively: switch, unit and zero setting, thus the number of the keys 3 is small but the functions are complete, the use is more concise, the display 4 is arranged on the outer wall of the front end of the bottom shell 1 at the left side of the key 3, the supporting legs 6 are arranged on the outer wall of the lower end of the bottom shell 1 close to the four corners, the length of the supporting legs 6 is slightly larger than that of the fixed seat 2, the supporting legs 6 mainly have the function of stably placing the weighing device on an uneven desktop, the length of the supporting legs 6 is not required to be very long and can be used enough, the center of the lower end of the bottom shell 1 is provided with a battery tank 7, lithium batteries 8 are arranged inside the perimeter of the battery tank 7, the two lithium batteries 8 are arranged in total, the two lithium batteries 8 are identical in size and shape, the two lithium batteries 8 are arranged inside the perimeter of the battery tank 7, the two lithium, the phenomenon that the lithium battery 8 needs to be replaced due to insufficient electric quantity of equipment can not occur frequently.

A mouse weighing device for pharmacology experiments is characterized in that a tray 9 is arranged on a mouse fixing device 5, the tray 9 is arranged on the outer wall of the circumference of the upper end of a fixing seat 2, the diameter of the circumference of the tray 9 is slightly larger than that of the circumference of the fixing seat 2, the diameter of the circumference of the tray 9 is slightly larger than that of the fixing seat 2, the weighing space can be enlarged, the tray 9 is more practical to use, a fixing rod 10 is arranged inside the circumference of the tray 9, the length of the fixing rod 10 is slightly larger than that of the circumference of the tray 9, the fixing rod 10 is used for fixing a mouse, the mouse cannot be fixed if the fixing rod is too large according to the body type of a common mouse, the outer walls of the circumferences of the left end and the right end of the fixing rod 10 are fixedly connected with the inner wall of the circumference of the tray 9 through welding, a fixing spring 11 is sleeved outside the fixing rod 10 close to, fixing spring 11 is provided with two altogether, two fixing spring 11's big or small shape is all the same, two fixing spring 11 set up respectively in dead lever 10 be close to about the side circumference outside, two fixing spring 11 and the principle of fixed curved bar 12 formation spring clamp, just can be more firm to the fixed action of mice like this, be connected with fixed curved bar 12 on fixing spring 11's the rear end outer wall, be connected with connecting rod 13 on the rear end outer wall of fixed curved bar 12, display 4 is through button 3 and lithium cell 8 electric connection.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when an object is placed on the fixed seat 2, pressure is applied to the sensor, the sensor is elastically deformed, so that impedance is changed, excitation voltage is simultaneously used to be changed, a changed analog signal is output, the signal is amplified by the amplifying circuit and output to the analog-to-digital converter, the signal is converted into a digital signal which is convenient to process and output to the CPU operation control, the CPU outputs the result to the display 4 according to a keyboard command and a program until the result is displayed, when in use, two five lithium batteries 8 are placed in the battery jar 7, the weighing device is started by the key 3, the tray 9 is placed at the upper end of the fixed seat 2, then the device is zeroed by the key 3, the zeroed result is observed and displayed by the display 4, a mouse is placed in the tray 9, the mouse is fixed inside the two fixed curved bars 12 by pulling the connecting rod 13, the connecting rod 13 can weigh the mice by restoring the original position by the elasticity of the fixing spring 11, the connecting rod 13 is also pulled open after weighing is finished, and the mice can be taken down, and when other objects except the mice are weighed, the tray 9 can be taken down and directly placed on the fixing seat 2 for weighing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a mouse weighing device for pharmacology experiments, includes drain pan (1) and fixing base (2), its characterized in that: a fixing seat (2) is installed at the upper end of the bottom shell (1), a white mouse fixing device (5) is arranged on the outer wall of the upper end of the fixing seat (2), a key (3) is arranged on the outer wall of the upper end of the bottom shell (1) at the front side of the fixing seat (2), a display (4) is arranged on the outer wall of the front end of the bottom shell (1) at the left side of the key (3), supporting legs (6) are arranged on the outer wall of the lower end of the bottom shell (1) close to four corners, a battery groove (7) is arranged at the center of the lower end of the bottom shell (1), a lithium battery (8) is arranged inside the circumference of the battery groove (7), a tray (9) is arranged on the white mouse fixing device (5), the tray (9) is arranged on the outer wall of the circumference of the upper end of the fixing seat (2), a fixing rod (10) is arranged inside the circumference of the tray (9), the circumference outer walls of, the utility model discloses a lithium battery, including dead lever (10), be close to right side circumference outside and cup jointed fixed spring (11) of dead lever (10), be connected with fixed curved bar (12) on the rear end outer wall of fixed spring (11), be connected with connecting rod (13) on the rear end outer wall of fixed curved bar (12), display (4) are through button (3) and lithium cell (8) electric connection.

2. A pharmacological laboratory mouse weighing apparatus according to claim 1, wherein: the lithium batteries (8) are arranged in two, the size and the shape of the two lithium batteries (8) are the same, and the two lithium batteries (8) are arranged inside the perimeter of the battery jar (7).

3. A pharmacological laboratory mouse weighing apparatus according to claim 1, wherein: the diameter of the circumference of the tray (9) is slightly larger than that of the circumference of the fixed seat (2).

4. A pharmacological laboratory mouse weighing apparatus according to claim 1, wherein: the button (3) are provided with three altogether, three the size shape homogeneous phase of button (3) is three button (3) is equidistant to be set up on the drain pan (1) upper end outer wall in fixing base (2) front side.

5. A pharmacological laboratory mouse weighing apparatus according to claim 1, wherein: the length of the fixing rod (10) is slightly larger than the circumferential radius of the tray (9).

6. A pharmacological laboratory mouse weighing apparatus according to claim 1, wherein: the fixing springs (11) are arranged in two, the fixing springs (11) are identical in size and shape, and the fixing springs (11) are arranged on the periphery of the fixing rod (10) close to the left side and the right side respectively.

7. A pharmacological laboratory mouse weighing apparatus according to claim 1, wherein: the length of the supporting leg (6) is slightly larger than that of the fixing seat (2).

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