CN210314279U

CN210314279U - Magnetic stirring incubator

Info

Publication number: CN210314279U
Application number: CN201920812925.4U
Authority: CN
Inventors: 徐兵; 汤艺; 殷名智; 朱逸娴
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-14
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a magnetic stirring incubator, which comprises a box body, wherein one or more stirring devices distributed up and down are arranged in the box body, each stirring device comprises a carrying platform and a disc, a magnetic stirrer is arranged in the carrying platform, a stop block is arranged on the disc, the disc is arranged on the carrying platform through a one-way rotating device, the disc is used for placing a culture utensil, and the magnetic stirrer stirs the culture utensil placed on the disc; a transmission device is arranged on one side of the disc and the side wall of the box body, the transmission device comprises an air cylinder, a piston rod of the air cylinder is connected with a sliding block, the sliding block is arranged on a sliding rail, and the sliding block moves along the sliding rail; the sliding block is connected with a push rod, and the push rod swings on the sliding block; be equipped with the spring on the push rod, the one end and the push rod of spring are connected, and the other end and the stand of spring link to each other, and the stand is fixed on the slide rail, and the culture dish of being convenient for take in the experimentation of design like this is convenient for add the culture solution and observe the growth condition of microorganism in the culture dish.

Description

Magnetic stirring incubator

Technical Field

The utility model relates to an incubator especially relates to a magnetic stirring incubator.

Background

The biological incubator is provided with a refrigeration and heating bidirectional temperature regulation system, has a temperature controllable function, is one of indispensable laboratory devices of plant, organism, microorganism, heredity, virus, environmental protection and other scientific research and teaching departments, and is widely applied to constant temperature tests, culture tests, environmental experiments and the like.

Magnetic stirrers are laboratory instruments for mixing liquids, primarily for stirring or simultaneously heating and stirring low-viscosity liquids or solid-liquid mixtures.

In the process of placing a microorganism culture medium or other materials to be used, continuous stirring or shaking is often needed to uniformly mix the materials, but the existing incubator generally cannot shake or stir a bacterial liquid or the materials to be measured, or a shaking method is adopted, the mixing effect is poor, the experimental effect is influenced, if a magnetic stirring device is arranged in the biological incubator, the problem can be solved, the temperature and the environment required for the growth of microorganisms are ensured by stirring the culture medium in the incubator, and the invention with the patent number of 201510066807.X discloses a constant-temperature magnetic stirring incubator, namely, a layer of magnetic carrying platform is arranged in the incubator.

Although the invention solves the problem of material mixing in the incubator, the existing magnetic stirring incubator only has a carrying platform in the incubator body, has a single structure, and the culture dishes are dispersedly placed on each layer of supporting plate in the incubator during the biological culture process, for the culture dish on the supporting plate on the back side wall of the incubator, the experimenter needs to take out the culture dish when adding the culture solution, then put into the incubator, each culture dish needs to be taken repeatedly in such a frequent way, which not only prolongs the opening time of the incubator and increases the probability of contaminating the mixed bacteria, moreover, the loose sleeve of the experimental clothes of the experimenter can easily touch the culture dish on the supporting plate close to one side of the box door, which causes pollution or breaks the culture dish, is very inconvenient, brings trouble and unnecessary loss to the process of microorganism culture, greatly reduces the working efficiency, and the culture dish on the supporting plate of the rear side wall of the box body is far away from the box door, which is not beneficial to observing the growth condition of the microorganism.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnetic stirring incubator, this incubator is rational in infrastructure, and convenient operation, observation reduce the probability that miscellaneous fungus pollutes.

In order to achieve the technical purpose, the technical scheme of the utility model is that: a magnetic stirring incubator comprises a box body, wherein one or more stirring devices distributed up and down are arranged in the box body, each stirring device comprises a carrying platform and a disc, a magnetic stirrer is arranged in each carrying platform, a stop block is arranged on each disc, each disc is installed on each carrying platform through a one-way rotating device and used for placing a culture vessel, and each magnetic stirrer is used for stirring the culture vessel placed on each disc; a transmission device is arranged on one side of the disc and the side wall of the box body, the transmission device comprises an air cylinder, a piston rod of the air cylinder is connected with a sliding block, the sliding block is arranged on a sliding rail, and the sliding block moves along the sliding rail; the sliding block is connected with a push rod, and the push rod swings on the sliding block; the push rod is provided with a spring, the spring is used for limiting the movement direction of the push rod, one end of the spring is connected with the push rod, the other end of the spring is connected with an upright post, and the upright post is fixed on the slide rail; when the air cylinder acts, a piston rod of the air cylinder pushes the sliding block, the sliding block moves on the sliding rail to drive the push rod to move, and the push rod pushes the stop block to enable the disc to rotate along the unidirectional rotating device.

The transmission device is positioned at the intersection of the loading platform and the side wall, so that the space in the box body is not excessively occupied, and the space utilization rate in the box is improved.

The disc is provided with a plurality of rollers below, the distance between each roller and the circle center of the disc is equal, and the rollers are arranged to ensure that the disc cannot shake up and down in the rotating process.

The magnetic stirrers are provided with a plurality of magnetic stirrers, the magnetic stirrers are located below the disc, the distance between each magnetic stirrers and the circle center of the disc is equal, the distance between each magnetic stirrers is also equal, and thus the culture dish can be moved to the position right above the adjacent magnetic stirrers when the disc rotates to a certain angle.

When the cylinder moves, the piston rod of the cylinder can push the sliding block to move along the sliding rail, the push rod on the sliding block moves along with the sliding block, the push rod pushes the stop block to move in the moving process to drive the disc to rotate, and the culture dish located on the disc inside the box body rotates to a position close to the box door along with the rotation of the disc.

Compared with the prior art, the utility model has the advantages that the experimental operator can observe the growth condition of strains in the culture dish arranged at all positions in the incubator conveniently, in the experiment, a frequent handle is not needed to go deep into the box body to take and put down the culture dish, the time for opening the box door is reduced, the probability of contaminating sundry bacteria in the whole culture process is reduced, the loss caused by carelessly breaking the culture dish is reduced, the working efficiency is greatly improved, meanwhile, the microorganism usually needs to be cultured accurately, the requirements on the growing environment are relatively high, although the temperature in the box can be controlled, the temperature is slightly different at different positions in the box, when the culture dish does not need to be taken, the disc can be intermittently rotated, so that the culture dish is switched to different positions to ensure that the microorganism is in a stable environment in the culture process, and the culture efficiency of the microorganism is improved.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a partial detail view of the present invention.

Fig. 3 is a partial detail view of the present invention.

Fig. 4 is a partial front view of the present invention.

Fig. 5 is a partial plan view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, a magnetic stirring incubator comprises an incubator body 14 and a door, wherein transparent glass is arranged on the door, so that the growth condition of microorganisms in the incubator can be observed conveniently, a temperature control system is arranged in the incubator body 14, a control panel is arranged above the

incubator body

14, and 2 stirring devices distributed up and down are arranged in the incubator body 14 (the arrangement number is not limited); each stirring device comprises a carrying platform 8, a disc 1 and a transmission device 15, and a magnetic stirrer 10 is arranged in the carrying platform 8.

The disc 1 is installed on an object carrying platform 8 through a unidirectional rotating device 11, the unidirectional rotating device 11 is a unidirectional bearing, a stop block 2 is arranged on the circumference of the disc 1, the disc 1 is used for placing a culture vessel, 3 rollers 12 are arranged below the disc 1 and form an equilateral triangle, the distances from the rollers 12 to the circle center of the disc 1 are equal, so that the disc 1 cannot shake up and down in the rotating process, and the magnetic stirring instrument 10 is positioned right below the disc 1; during the experiment, the culture dish that will put the stirring son is arranged in on disc 1, the position of culture dish and the magnetic stirrers 10 of disc 1 below is corresponding, utilize the principle that like poles repel each other of magnetic field, opposite poles attract, use magnetic field to promote to place and carry out the circumference operation in the container with magnetic stirrer, thereby reach the purpose of stirring liquid, the culture solution in the stirring in-process meeting culture dish can produce the wall built-up phenomenon, the wall built-up can promote the contact of microorganism and oxygen in the air, do benefit to the growth of microorganism, rotational speed through adjusting magnetic stirrers 10 controls stirring speed, because disc 1 is very little with objective platform 8's interval, so can not influence magnetic force transmission effect.

The transmission device 15 is arranged on the side wall 9 of the box body on one side of the disc 1, so that the space in the box body is not excessively occupied, the utilization rate of the space in the box body is improved, the transmission device 15 comprises an air cylinder 7, a piston rod of the air cylinder 7 is connected with a sliding block 13, the sliding block 13 is arranged on a sliding rail 6, the sliding block 13 moves along the sliding rail 6, the sliding block 13 is connected with a push rod 3, and the push rod 3 swings on the sliding block 13; a spring 5 is arranged on the push rod 3, the spring 5 is used for limiting the moving direction of the push rod 3, one end of the spring 5 is connected with the push rod 3, the other end of the spring 5 is connected with an upright post 4, and the upright post 4 is fixed on a slide rail 6; the function of the upright 4 is to define the initial position of the push rod 3 (to make the push rod 3 and the stop 2 form a certain angle); the cylinder 7 is connected with a power supply through a controller or a switch, the controller or the switch controls the power supply to electrify the cylinder 7, so that the cylinder 7 acts, after the controller or the switch is turned on, a piston rod in the cylinder 7 is pushed forwards under the action force caused by the flowing of the internal air when the cylinder 7 operates, a sliding block 13 connected with the piston rod moves forwards along the sliding rail 6, a push rod 3 connected with the sliding block 13 contacts and pushes the stop block 2 to do arc movement because of the constraint of a spring 5, in the moving process, because of the limitation of the spring 5, one side of the end part of the push rod 3 abuts against the disc 1, the top end of the push rod 3 abuts against the stop block 2, finally the push rod 3 pushes the stop block 2 to move to the position shown in figure 3 from the position shown in figure 2, then the piston rod of the cylinder 7 is retracted, and the push rod 3 finally returns to the initial position because, since the disc 1 can only rotate in one direction, the disc 1 can not be reversed even if the push rod 3 contacts the stop block 2 in the resetting process, and finally the push rod 3 bypasses the stop block 2 to return to the initial position along with the expansion and contraction of the spring 5.

The utility model adopts the mode of cylinder transmission without motor transmission because the motor can generate heat locally in the operation process, which can affect the temperature in the incubator, especially under the condition that the growth of microorganism has high requirement on the environment, the microorganism is required to be cultured accurately; and the installation motor can too much occupy incasement space, also can lead to the distance between disc and the cargo platform to increase simultaneously, and disc 1 if can influence magnetic force transmission effect far away from cargo platform 8, so has got rid of motor drive's mode.

The stop blocks 2 are arranged at equal intervals along the circumference of the disc 1 by 10. The number of the magnetic stirrers 10 is 5, the magnetic stirrers 10 are positioned under the disc 1, the distance between each magnetic stirrer 10 and the circle center of the disc 1 is equal, the distance between each magnetic stirrer 10 is equal, when the stop block 2 moves for 2 grids, the culture dish on the disc 1 is just rotated to the position above the adjacent magnetic stirrers from the position above the current magnetic stirrer 10, even if the culture dish is rotated to separate from the magnetic field below, the stirrer in the culture dish can not stop stirring immediately due to the inertia effect when the disc 1 rotates, and the stirring is recovered when the culture dish is rotated to the position above the adjacent magnetic stirrers, so that the culture dish is always in a stirring state in the rotation process of the disc 1, the disc 1 can be rotated no matter whether the culture dish is stirred in the experimental process, and when the culture dish positioned on the inner side of the box body needs to be taken or observed, the operation of the transmission device 15 is controlled to push the disc 1 to rotate, so that the culture dish positioned on the inner side of the box body moves to a position close to the box door, and thus, an experimenter does not need to frequently take and put down the culture dish in the box body, the time for opening the box door is reduced, the probability of contaminating mixed bacteria in the whole culture process is reduced, the loss caused by carelessly breaking the culture dish is reduced, and the working efficiency is greatly improved; the microorganisms are usually cultured precisely, the requirement on the growth environment is high, although the temperature in the box can be controlled, the temperature at different positions in the box is slightly different, so that when the culture dish does not need to be taken, the disk can be intermittently rotated, and the culture dish can be switched to different positions to ensure that the microorganisms are in a stable environment in the culture process.

The above-mentioned embodiment does not limit the utility model in any way, and all the technical solutions that adopt the mode of equivalent replacement or equivalent transform to obtain all fall within the protection scope of the utility model.

Claims

1. The utility model provides a magnetic stirring incubator, includes box (14), its characterized in that: one or more stirring devices distributed up and down are arranged in the box body (14); the stirring device comprises an object carrying platform (8) and a disc (1), a magnetic stirrer (10) is arranged in the object carrying platform (8), a stop block (2) is arranged on the disc (1), the disc (1) is installed on the object carrying platform (8) through a one-way rotating device (11), the disc (1) is used for placing culture utensils, and the magnetic stirrer (10) is used for stirring the culture utensils placed on the disc (1); a transmission device (15) is arranged on one side of the disc (1) and the side wall (9) of the box body, the transmission device (15) comprises an air cylinder (7), a piston rod of the air cylinder (7) is connected with a sliding block (13), the sliding block (13) is arranged on a sliding rail (6), and the sliding block (13) moves along the sliding rail (6); the sliding block (13) is connected with a push rod (3), and the push rod (3) swings on the sliding block (13); a spring (5) is arranged on the push rod (3), one end of the spring (5) is connected with the push rod (3), the other end of the spring (5) is connected with the upright post (4), and the upright post (4) is fixed on the slide rail (6); when the air cylinder (7) acts, a piston rod of the air cylinder (7) pushes the sliding block (13), the sliding block (13) moves on the sliding rail (6) to drive the push rod (3) to move, and the push rod (3) pushes the stop block (2) to enable the disc (1) to rotate along the unidirectional rotating device (11).

2. A magnetic stirring incubator as claimed in claim 1, characterized in that a plurality of rollers (12) are provided below the disc (1).

3. A magnetic stirring incubator as claimed in claim 1, characterised in that the actuator (15) is located at the intersection of the carrier platform (8) and the side wall (9).

4. The magnetic stirring incubator according to claim 1 is characterized in that a plurality of magnetic stirrers (10) are provided, the magnetic stirrers (10) are positioned below the disc (1), the distance from each magnetic stirrer (10) to the center of the disc (1) is equal, and the distance from each magnetic stirrer (10) is equal.