CN205205134U - Culture dish device for it is biological experiments - Google Patents

Abstract

A petri dish device for biological experiments, comprising a dish body and a dish cover, the dish cover is sealed on the upper part of the dish body, the upper end of the side wall of the dish body is provided with an annular groove, and the dish cover includes two cylindrical side walls, The two cylindrical side walls are the inner wall and the outer wall respectively, the outer diameter of the inner wall of the dish cover matches the inner diameter of the side wall of the dish body, and the inner diameter of the outer wall of the dish cover matches the outer diameter of the side wall of the dish body. Cooperate, the lower surface of the dish cover between the inner side wall and the outer side wall is provided with an annular rib that matches the annular groove provided on the upper end of the side wall of the dish body, and the annular rib of the dish cover is inserted into the side of the dish body In the annular groove at the upper end of the wall, an annular flange is arranged on the upper surface of the vessel cover. The beneficial effect of the utility model is that the sealing performance is good, while avoiding dust and miscellaneous bacteria, it can also avoid the pollution caused by the operator when opening and fastening the dish cover, and at the same time, the stability and reliability of the connection between the dish cover and the dish body are enhanced. sex.

Description

Petri dish device for biological experiments

technical field

The utility model relates to the technical field of biological experiments, in particular to a petri dish device for biological experiments.

Background technique

In biological experiments, it is often necessary to culture microorganisms and bacteria to determine the type of bacteria and so on. Petri dishes are the most widely used culture tools. The gap between the traditional culture dish cover and the dish body is easy to be exposed, and the culture dishes often need to be stacked when placed in the culture room, which can save space. The existing stacking density is low, which wastes valuable space in the culture room; The outer wall of the petri dish will be provided with a barcode and scanned by the computer for storage in the computer. However, the identification of the barcode information will be inaccurate due to the presence of bacteria in the petri dish during scanning, and the biological petri dish can only Store a biological sample; the current culture method is to culture the petri dishes in an incubator. If multiple petri dishes are placed in the same incubator, confusion will easily occur. In addition, different microbial culture temperatures are not All the same, so there will be a lot of inconvenience.

Utility model content

The purpose of this utility model is to provide a petri dish device for biological experiments to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A petri dish device for biological experiments, comprising a dish body and a dish cover, the dish cover is sealed on the upper part of the dish body, the upper end of the side wall of the dish body is provided with an annular groove, and the dish cover includes two cylindrical side walls, The two cylindrical side walls are the inner wall and the outer wall respectively, the outer diameter of the inner wall of the dish cover matches the inner diameter of the side wall of the dish body, and the inner diameter of the outer wall of the dish cover matches the outer diameter of the side wall of the dish body. Cooperate, the lower surface of the dish cover between the inner side wall and the outer side wall is provided with an annular rib that matches the annular groove provided on the upper end of the side wall of the dish body, and the annular rib of the dish cover is inserted into the side of the dish body In the annular groove at the upper end of the wall, an annular flange is arranged on the upper surface of the dish cover, and the inner diameter of the annular flange matches the outer diameter of the dish body; The bottom of the pan body is provided with a spherical crown-shaped flange, and the center of the spherical crown-shaped flange is provided with an accommodation groove. There are four accommodation compartments with cavities evenly distributed around the spherical crown-shaped flange. There is a communication channel between them; a resistance wire is arranged at the bottom of the dish body, a temperature sensor is arranged inside the dish body, a control panel is arranged on the side wall of the outer cavity, and the heating wire and the temperature sensor are connected with the control panel.

As a further solution of the present invention: a first sealing layer is provided between the inner surface of the outer side wall of the dish cover and the outer surface of the side wall of the dish body.

As a further solution of the present invention: a second sealing layer is provided between the outer surface of the inner side wall of the dish cover and the inner surface of the side wall of the dish body.

As a further solution of the present invention: a barcode is also provided on the side wall of the outer cavity.

As a further solution of the utility model: the bottom back of the dish is coated with a digital mark corresponding to the position of the storage compartment.

The beneficial effect of the utility model is that the sealing performance is good, while avoiding dust and miscellaneous bacteria, it can also avoid the pollution caused by the operator when opening and fastening the dish cover, and at the same time, the stability and reliability of the connection between the dish cover and the dish body are enhanced. Due to the outer cavity on the outer wall of the dish to accommodate the light-shielding layer, the bacteria in the culture dish can be blocked by the light-shielding layer when scanning, and the computer scan can accurately identify the barcode on it, and pass through the bottom of the dish. On the back and corresponding to the positions of the storage compartments, each individual biological sample is coated with a digital mark to specifically identify a group of biological samples, which achieves the purpose of simple structure and easy use; in addition, it can also be set through the control panel. It is an ideal constant temperature petri dish by setting the heating temperature and time.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the distribution of the storage tank and the storage grid of the utility model;

Fig. 3 is a schematic structural view of the culture dishes of the present invention when they are stacked.

In the figure: 1-dish body, 2-accommodating groove, 3-spherical crown flange, 4-accommodating grid, 5-resistance wire, 6-temperature sensor, 7-outer cavity, 8-control panel, 9-dish Cover, 10-inner side wall, 11-annular rib, 12-annular flange, 13-outer side wall, 14-first sealing layer, 15-second sealing layer, 16-communication channel.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, Fig. 2 and Fig. 3, in the utility model embodiment, a kind of petri dish device for biological experiment, comprises dish body 1 and dish cover 9, and dish cover 9 seals on the top of dish body 1, and dish body The upper end of the side wall of 1 is provided with an annular groove, and the dish cover 9 includes two cylindrical side walls, and the two cylindrical side walls are respectively an inner side wall 10 and an outer side wall 13, and the outer side of the inner side wall 10 of the dish cover 9 diameter matches the inner diameter of the side wall of the dish body 1, the inner diameter of the outer wall 13 of the dish cover 9 matches the outer diameter of the side wall of the dish body 1, and is located under the dish cover 9 between the inner wall 10 and the outer side wall 13. The surface is provided with an annular rib 11 matching the annular groove provided on the upper end of the side wall of the dish body 1, and the annular rib 11 of the dish cover 9 is inserted into the annular groove at the upper end of the side wall of the dish body 1, and the dish cover 9. An annular flange 12 is provided on the upper surface, and the inner diameter of the annular flange 12 matches the outer diameter of the dish body 1;

The outer wall of the dish body 1 is provided with an outer cavity 7 for accommodating a light-shielding layer, the bottom of the dish body 1 is provided with a spherical crown-shaped flange 3, and the center position of the spherical crown-shaped flange 3 is provided with an accommodating groove 2, and the spherical crown There are four accommodation compartments 4 with cavities evenly distributed around the flange 3, and a communication channel 16 is provided between the accommodation groove 2 and the accommodation compartment 4;

A resistance wire 5 is arranged on the bottom of the dish body 1 , a temperature sensor 6 is arranged inside the dish body 1 , and a control panel 8 is arranged on the side wall of the outer cavity 7 , and the heating wire 5 and the temperature sensor 6 are connected with the control panel 8 .

A first sealing layer 14 is provided between the inner surface of the outer wall of the dish cover 9 and the outer surface of the side wall of the dish body 1 . A second sealing layer 15 is provided between the outer surface of the inner side wall of the dish cover 9 and the inner surface of the side wall of the dish body 1 .

A barcode is also provided on the side wall of the outer cavity 7 . The back of the bottom of the dish body 1 is coated with a digital mark corresponding to the position of the storage compartment 4 .

The working principle of the utility model is: in the process of opening and closing the dish cover 9, even if the operator's hand touches the outer surface of the side wall of the dish body 1 and causes pollution, the inside of the outer surface of the side wall of the dish body 1 is still The sealing structure formed by the annular rib 11 and the annular groove and the sealing structure formed by the side wall of the dish body 1 and the inner side wall of the dish cover 9 are provided in sequence, which can reduce the pollution caused by operation and effectively prevent dust, miscellaneous The bacteria enter the dish body 1; since the outer wall of the dish body 1 is provided with the outer cavity 7 for containing the light-shielding layer, the bacteria in the culture dish can be blocked by the light-shielding layer during scanning, and computer scanning can accurately identify the bacteria on it. Barcode, and through the back of the bottom of the dish body 1 and corresponding to the position of each accommodation cell 4, each individual biological sample coated with a digital mark to specifically identify a group of biological samples achieves the purpose of simple structure and convenient use; In addition, the heating temperature and time can also be set through the control panel 8, which is an ideal constant temperature petri dish.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. a Bioexperiment culture dish device, comprise ware body and ware lid, it is characterized in that, ware cap seal is placed on the top of ware body, the upper end of the sidewall of ware body is provided with annular recesses, ware lid two cylinder side walls, two cylinder side walls are respectively inner side-wall and outer side wall, the diameter compatible of the external diameter of the inner side-wall of ware lid and the sidewall of ware body closes, the internal diameter of the outer side wall of ware lid matches with the external diameter of ware body sidewall, the lower surface of the ware lid between inner side-wall and outer side wall is provided with the annular ridge that the annular recesses that arranges with the upper end of the sidewall of ware body matches, the annular ridge of ware lid is plugged in the annular recesses of ware body sidewall upper end, ware covers surface and is provided with annular flange flange, the internal diameter of annular flange flange matches with the external diameter of ware body, the outer wall of described ware body is provided with the outer chamber holding lucifuge layer, spherical flange is provided with bottom ware body, the central position of spherical flange is provided with holding tank, and the surrounding of spherical flange is evenly equipped with four accommodation lattice with cavity, is provided with communicating passage between holding tank and accommodation lattice, the bottom of ware body is furnished with resistance wire, and ware body inside is provided with temperature sensor, and outer chamber sidewall is provided with control panel, and nichrome wire is connected with control panel with temperature sensor.

2. a kind of Bioexperiment culture dish device according to claim 1, is characterized in that, be provided with the first sealing ply between the outside surface of the internal surface of the outer side wall of ware lid and the sidewall of ware body.

3. a kind of Bioexperiment culture dish device according to claim 1, is characterized in that, be provided with the second sealing ply between the internal surface of the outside surface of the inner side-wall of ware lid and the sidewall of ware body.

4. a kind of Bioexperiment culture dish device according to claim 1, is characterized in that, the sidewall of outer chamber is also provided with barcode.

5. a kind of Bioexperiment culture dish device according to claim 1, is characterized in that, the bottom rear of ware body is put corresponding section with accommodation case and is coated with digital marking.