CN213183282U

CN213183282U - Experiment demonstration device for microorganism functionality experiment

Info

Publication number: CN213183282U
Application number: CN202022045008.3U
Authority: CN
Inventors: 陆安; 陈彦彤; 路学成; 郝佳; 李杰峰; 杜红娜; 常卫娟; 于晓乐
Original assignee: Shijiazhuang Yanke Biotechnology Co ltd
Current assignee: Shijiazhuang Yanke Biotechnology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-11
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses an experiment demonstration device for microorganism functionality experiment, the laboratory bench of supporting leg has all been welded including bottom four corners position, the top of laboratory bench is equipped with experiment demonstration case, experiment demonstration case's both sides and both sides all are equipped with the clear glass observation window, and experiment demonstration case's both sides and both sides outer wall all are equipped with defogging mechanism, four defogging mechanism all includes two installation pieces of welding at experiment demonstration case outer wall, and the lateral wall of one of them installation piece has miniature servo motor through bolted connection. The utility model discloses a set up four clear glass observation windows, can satisfy a plurality of students and watch simultaneously, use through step motor, rotation post, ball and the cooperation of ring channel, the at uniform velocity intermittent type formula is rotated to the experiment demonstration case, makes the student can follow a plurality of angles and observe the microorganism of experiment demonstration incasement when observing like this, the demand that satisfies mr's experiment demonstration that can be fine.

Description

Experiment demonstration device for microorganism functionality experiment

Technical Field

The utility model relates to a microbiological experiment technical field especially relates to a microbial functionality experiment is with experiment presentation device.

Background

The microorganisms include: bacteria, viruses, fungi, and some small protists, microscopic algae, etc., which are small and closely related to humans. The food can be widely applied to various fields such as food, medicine, industry and agriculture, environmental protection, sports and the like. In the teaching research field, in the microorganism functional experiment, the presentation device need be used usually to the mr, lets the student know in detail the process and the result of experiment through the presentation device.

The existing demonstration device is generally that an experiment demonstration box is placed on an experiment table, then students know the whole process through a transparent glass observation window, but because more students are often gathered in the experiment chamber, the single transparent glass observation window is difficult to meet the watching requirements of a plurality of students, so that most of the students cannot see clearly, and the students can only observe from one angle when observing, so that the requirement of experiment demonstration cannot be well met; on the other hand because the factor of temperature leads to transparent glass observation window and external temperature difference great occasionally to transparent glass observation window is hazy or produces the drop of water, can influence student's observation like this, is unfavorable for the mr to demonstrate. Therefore, we propose an experimental demonstration device for microorganism functionality experiments.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an experimental demonstration device for microorganism functionality experiments.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an experimental demonstration device for microbial functionality experiments comprises an experiment table with supporting legs welded at four corners of the bottom, an experimental demonstration box is arranged at the top of the experiment table, transparent glass observation windows are arranged on two sides and two sides of the experimental demonstration box, defogging mechanisms are arranged on two sides and two outer walls of the experimental demonstration box, the four defogging mechanisms comprise two installation blocks welded on the outer wall of the experimental demonstration box, the side wall of one installation block is connected with a micro servo motor through a bolt, the output shaft of the micro servo motor is connected with a bidirectional screw rod through a coupling, two threaded sleeves are sleeved on the bidirectional screw rod, the outer walls of the bottoms of the two threaded sleeves are connected with main windshield wiper strips through bolts, auxiliary windshield wiper strips are sleeved on the two main windshield wiper strips in a sliding manner, the same limiting strip is welded on the outer wall of one side, close to each other, of the two installation blocks, and spacing spout has been seted up to the bottom of spacing strip, two the stopper has all been welded to the top outer wall of thread bush, there is step motor bottom center outer wall of laboratory bench through bolted connection, and the welding of the top outer wall of step motor output shaft is at the bottom outer wall of experiment demonstration case, the bottom four corners position of experiment demonstration case has all been welded and has been rotated the post, and four bottom outer walls that rotate the post have all been welded the ball, the top central point of laboratory bench puts and has seted up the ring channel, and is equipped with the controller on the experiment demonstration case.

Preferably, the side wall of the main wiper strip is provided with thread grooves distributed at equal intervals, the side wall of the auxiliary wiper strip is provided with a threaded hole, and the threaded hole is connected with one of the thread grooves through a fastening bolt.

Preferably, the tops of the two limiting blocks are connected with the inner wall of the top of the limiting sliding groove in a sliding mode, and the outer walls of the four balls are connected with the inner wall of the annular groove in a rolling mode.

Preferably, the output shaft of the stepping motor is connected with the inner wall of the experiment table through a bearing, and the bidirectional screw is respectively connected with the inner walls of the two mounting blocks through two bearings.

Preferably, a reversing switch is arranged in the micro servo motor, and the main wiper strip is in sliding fit with the surface of the transparent glass observation window.

Preferably, the miniature servo motor and the stepping motor are both connected with the controller through wires, and the controller is connected with a power line through wires.

The utility model has the advantages that:

1. the four transparent glass observation windows are arranged, so that a plurality of students can watch simultaneously, and the experiment demonstration box rotates intermittently at a constant speed by matching the stepping motor, the rotating column, the balls and the annular groove, so that the students can observe microorganisms in the experiment demonstration box from a plurality of angles when observing, and the requirement of experiment demonstration of a teacher can be well met;

2. through the cooperation use of miniature servo motor, two-way screw rod, thread bush and vice wiper strip, when two vice wiper strips were close to each other, can strike off fog or the drop of water on the transparent glass observation window fast, can improve student's observation quality like this, can not influence student's observation because of the factor of temperature, be favorable to the mr to demonstrate the work.

Drawings

FIG. 1 is a schematic structural view of an experimental demonstration device for microbiological functionality experiments according to the present invention;

FIG. 2 is a schematic cross-sectional structural view of a laboratory table of an experimental demonstration device for microbiological functionality according to the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 1.

In the figure: the device comprises an experiment table 1, an experiment demonstration box 2, a transparent glass observation window 3, a mounting block 4, a miniature servo motor 5, a bidirectional screw 6, a threaded sleeve 7, a main wiper strip 8, an auxiliary wiper strip 9, a limiting strip 10, a limiting block 11, a stepping motor 12, a rotating column 13, a ball 14, an annular groove 15, a controller 16, a threaded groove 17 and a threaded hole 18.

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.

Referring to fig. 1-3, an experimental demonstration device for microbiological functionality experiments comprises an experimental table 1 with supporting legs welded at four corners of the bottom, an experimental demonstration box 2 arranged at the top of the experimental table 1, transparent glass observation windows 3 arranged at two sides and two sides of the experimental demonstration box 2, defogging mechanisms arranged at two sides and two outer walls of the experimental demonstration box 2, four defogging mechanisms comprising two installation blocks 4 welded at the outer wall of the experimental demonstration box 2, wherein the side wall of one installation block 4 is connected with a micro servo motor 5 through a bolt, the output shaft of the micro servo motor 5 is connected with a bidirectional screw 6 through a coupling, two threaded sleeves 7 are sleeved on the bidirectional screw 6, the outer walls of the bottoms of the two threaded sleeves 7 are connected with a main wiper strip 8 through a bolt, and auxiliary wiper strips 9 are sleeved on the two main wiper strips 8 in a sliding manner, the same limiting strip 10 is welded on the outer wall of one side of the two installation blocks 4 close to each other, the bottom of the limiting strip 10 is provided with a limiting sliding groove, the outer walls of the tops of the two threaded sleeves 7 are welded with limiting blocks 11, and the two auxiliary wiper strips 9 are matched with the micro servo motor 5, the two-way screw 6, the threaded sleeves 7 and the auxiliary wiper strips 9, so that fog or water drops on the transparent glass observation window 3 can be quickly scraped when the two auxiliary wiper strips 9 are close to each other, the observation quality of students can be improved, the observation of the students cannot be influenced by factors of air temperature, and the demonstration work of teachers is facilitated;

the outer wall of the center of the bottom of the experiment table 1 is connected with a stepping motor 12 through a bolt, the outer wall of the top end of an output shaft of the stepping motor 12 is welded on the outer wall of the bottom of the experiment demonstration box 2, the output shaft of the stepping motor 12 is connected with the inner wall of the experiment table 1 through a bearing, a bidirectional screw 6 is respectively connected with the inner walls of two installation blocks 4 through two bearings, rotating columns 13 are welded at four corners of the bottom of the experiment demonstration box 2, balls 14 are welded at the outer walls of the bottom ends of the four rotating columns 13, an annular groove 15 is formed at the center of the top of the experiment table 1, a controller 16 is arranged on the experiment demonstration box 2, the tops of two limit blocks 11 are connected with the inner wall of the top of a limit sliding groove in a sliding manner, the outer walls of the four balls 14 are connected with the inner wall of the annular groove 15 in a rolling manner, and screw hole 18 passes through fastening bolt with one of them thread groove 17 and is connected, be equipped with the switch of reversing and reversing in miniature servo motor 5, and main wiper strip 8 forms sliding fit with the surface of clear glass observation window 3, miniature servo motor 5 and step motor 12 all are connected with controller 16 through the wire, and controller 16 is connected with the power cord through the wire, through setting up four clear glass observation windows 3, can satisfy a plurality of students and watch simultaneously, through step motor 12, rotation post 13, ball 14 and ring channel 15's cooperation is used, experiment demonstration case 2 is at the uniform velocity intermittent type formula and rotates, make the student can follow a plurality of angles when observing and observe the microorganism in experiment demonstration case 2 like this, the demand that satisfies mr's experiment demonstration that can be fine.

The working principle is as follows: when the experiment demonstration device is used, a plurality of students are uniformly dispersed beside the four transparent glass observation windows 3, so that the students can watch simultaneously, then a teacher puts prepared microorganisms into the experiment demonstration box 2 to start a microorganism functional experiment, the teacher switches on all electrical elements at the moment, the controller 16 controls the stepping motor 12 to work, the experiment demonstration box 2 starts to rotate intermittently at a constant speed, the four balls 14 at the bottom of the experiment demonstration box 2 also roll in the annular groove 15, so that the students can observe the microorganisms in the experiment demonstration box 2 from a plurality of angles during observation, the requirement of experiment demonstration of the teacher can be well met, when the four transparent glass observation windows 3 are fogged or water drops are generated, the controller 16 immediately controls the four defogging mechanisms to work, namely the micro servo motor 5 controls the two-way screw 6 to rotate, under spacing spout and stopper 11 effect, when two vice wiper strips 9 are close to each other, can strike off fog or drop on the transparent glass observation window 3 fast, can improve student's observation quality like this, can not influence student's observation because of the factor of temperature, be favorable to the mr to demonstrate the work.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An experimental demonstration device for microorganism functionality experiments comprises an experiment table (1) with supporting legs welded at four corners of the bottom, an experimental demonstration box (2) is arranged at the top of the experiment table (1), and is characterized in that transparent glass observation windows (3) are arranged on two sides and two sides of the experimental demonstration box (2), defogging mechanisms are arranged on two sides and two outer walls of the experimental demonstration box (2), each defogging mechanism comprises two installation blocks (4) welded on the outer wall of the experimental demonstration box (2), the side wall of one installation block (4) is connected with a micro servo motor (5) through a bolt, the output shaft of the micro servo motor (5) is connected with a two-way screw (6) through a coupler, two thread sleeves (7) are sleeved on the two-way screw (6), and the outer walls of the bottoms of the two thread sleeves (7) are connected with a main wiper strip (8) through bolts, and the two main wiper strips (8) are sleeved with the auxiliary wiper strip (9) in a sliding way, the outer wall of one side of the two mounting blocks (4) close to each other is welded with the same limiting strip (10), the bottom of the limiting strip (10) is provided with a limiting chute, the outer walls of the tops of the two thread sleeves (7) are welded with limiting blocks (11), the outer wall of the center of the bottom of the experiment table (1) is connected with a stepping motor (12) through a bolt, and the outer wall of the top end of the output shaft of the stepping motor (12) is welded on the outer wall of the bottom of the experiment demonstration box (2), the four corners of the bottom of the experiment demonstration box (2) are welded with rotating columns (13), and the bottom outer walls of the four rotating columns (13) are all welded with balls (14), the top center of the experiment table (1) is provided with an annular groove (15), and the experiment demonstration box (2) is provided with a controller (16).

2. The experimental demonstration device for the microbiological functionality according to claim 1, wherein the side wall of the primary wiper strip (8) is provided with equidistantly distributed thread grooves (17), the side wall of the secondary wiper strip (9) is provided with a threaded hole (18), and the threaded hole (18) is connected with one of the thread grooves (17) through a fastening bolt.

3. The experimental demonstration device for the microbial functionality experiment as claimed in claim 1, wherein the tops of the two limiting blocks (11) are slidably connected with the inner wall of the top of the limiting sliding groove, and the outer walls of the four balls (14) are in rolling connection with the inner wall of the annular groove (15).

4. The experimental demonstration device for the microbiological functionality experiments according to claim 1, characterized in that the output shaft of the stepping motor (12) is connected with the inner wall of the experimental table (1) through a bearing, and the bidirectional screw (6) is respectively connected with the inner walls of the two mounting blocks (4) through two bearings.

5. The experimental demonstration device for the microbiological functionality according to claim 1, wherein a reversible switch is arranged in the micro-servo motor (5), and the main wiper strip (8) forms a sliding fit with the surface of the transparent glass observation window (3).

6. The experimental demonstration device for microorganism functionality experiments according to claim 1, wherein the micro servo motor (5) and the stepping motor (12) are connected with the controller (16) through wires, and the controller (16) is connected with a power line through wires.