Safety cabinet for microbial culture

Abstract

The utility model provides a safety cabinet for microorganism culture, which comprises a cabinet body, a classification mechanism is arranged in the cabinet body, a sampling mechanism for sampling and observing microorganisms in the culture process is arranged on a cabinet door of the cabinet body, the classification mechanism comprises a placing box clamped in the cabinet body, a plurality of sliding chutes are formed in the placing box, and the sliding chutes are arranged in the cabinet body. A plurality of drawers are slidably arranged in the sliding grooves. According to the utility model, the classification culture placement operation of microorganisms can be realized through the classification mechanism, and the sampling mechanism arranged on the cabinet door can be used for conveniently and quickly sampling, checking or adding substances to the microorganisms in the culture process on the classification mechanism in the culture process; the situation that the whole cabinet door needs to be opened when substances are checked or added every time, other introduced microorganisms or bacteria in air possibly enter the culture safety cabinet in the door opening process, unnecessary bacteria or impurities are introduced in microorganism culture is avoided, and operation is safer and more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of culture cabinets, in particular to a safety cabinet for microbial culture. Background Art

[0002] Biological culture is designed to protect the operator, the laboratory environment and the experimental materials when operating infectious experimental materials such as primary cultures, bacterial strains and diagnostic specimens, so as to avoid exposure to infectious aerosols and splashes that may be generated during the above operations. With the rapid development of science and technology, it has also been technically improved.

[0003] The utility model with publication number CN211522182U relates to the technical field of microbial cultivation equipment, and particularly to a safety cabinet for microbial cultivation, whose structure includes a cabinet, a nozzle, a liquid disinfection device, an ultraviolet sterilization device, a foot bracket, a perspective window, a handle, a control button, and a control panel. The utility model has the following beneficial effects. In order to solve the problem that after the microorganisms are cultivated and taken out, a large number of microorganisms will remain inside the safety cabinet, which is difficult to remove and thus affects the cultivation of the microorganisms next time, a liquid disinfection device is designed, which can spray the disinfectant on a large scale inside the cabinet to remove the microorganisms remaining inside the cabinet. In order to solve the problem that after liquid disinfection, it is difficult to disinfect the corners inside the cabinet with liquid, resulting in incomplete disinfection and sterilization, an ultraviolet sterilization device is designed, and the inside of the cabinet is sterilized again by irradiation with an ultraviolet sterilization lamp to achieve thorough disinfection and sterilization.

[0004] In view of the above, the inventor believes that the current but existing technology will use a large number of culture vessels in the culture process. The culture vessels are generally placed equidistantly at the bottom of the safety cabinet for microbial culture. When it is necessary to check the growth of a certain column of microorganisms or add auxiliary growth substances during the culture process, it is necessary to open the entire cabinet door and then perform sampling and inspection operations. This may cause other microorganisms or bacteria in the air to enter the culture safety cabinet during the door opening process, resulting in the introduction of unnecessary bacteria or impurities into the culture of microorganisms, affecting the normal culture and growth operations of the microorganisms. Utility Model Content

[0005] In view of this, the utility model provides a safety cabinet for microbial cultivation, which can realize the classification, cultivation and placement operations of microorganisms through a classification mechanism, and realize the convenient and rapid sampling, inspection or addition of substances to the microorganisms in the cultivation process on the classification mechanism through a sampling mechanism arranged on the cabinet door. There is no need to open the entire cabinet door every time to check or add substances, which may cause other microorganisms or bacteria in the air to enter the cultivation safety cabinet during the door opening process, resulting in the introduction of unnecessary bacteria or impurities into the cultivation of microorganisms, thereby ensuring the normal growth of microorganisms and making the operation safer and more convenient.

[0006] In order to solve the above technical problems, the utility model provides a safety cabinet for microorganism cultivation, including a cabinet body, a classification mechanism for placing microorganisms to be cultivated is arranged inside the cabinet body, a sampling mechanism for sampling and observing the microorganisms in the cultivation process is arranged on the cabinet door of the cabinet body, the classification mechanism includes a placement box arranged inside the cabinet body, a plurality of slide grooves are opened on the placement box, a plurality of drawers are slidingly arranged on the slide grooves, a nut is arranged on the outer side of each drawer, and the nut is welded on the outer wall of the drawer. The utility model can realize the classification, cultivation and placement of microorganisms through the classification mechanism, and realize the operation of convenient and rapid sampling, viewing or adding substances to the microorganisms in the cultivation process on the classification mechanism through the sampling mechanism arranged on the cabinet door. There is no need to open the entire cabinet door every time to view or add substances, which may cause other microorganisms or bacteria in the air to enter the cultivation safety cabinet during the door opening process, resulting in the introduction of unnecessary bacteria or impurities into the cultivation of microorganisms, and the operation is safer and more convenient.

[0007] The sampling mechanism includes an installation groove arranged on the cabinet door, a sealing plate is arranged in the installation groove, a card slot corresponding to the slide groove is opened on the sealing plate, a sealing block is slidably arranged in the card slot, a threaded through hole matched with the internal thread of the nut is opened on the sealing block, the axis of the threaded through hole coincides with the axis of the nut, a screw rod matched with the internal thread of the nut is connected to the internal thread of the threaded through hole, and a holding part is arranged on the end of the screw rod. When it is necessary to observe the culture dish in a drawer of a certain vertical column, the utility model can rotate the holding part of the corresponding column to be sampled to drive the screw rod to rotate into the internal thread hole of the nut on the outside of the drawer inside the cabinet, and then pull the holding part outward, so as to realize pulling out the drawer of the corresponding column and the culture dish in the drawer until the sealing block is pushed to pull the drawer outward through the card slot to the outside of the cabinet door, so that the operator can observe the microorganisms on the culture dish without opening the cabinet door, which is safer and more convenient.

[0008] The cabinet door is made of translucent plastic or glass. The purpose of this is to facilitate the operator to observe the growth of microorganisms on the culture dish in the cabinet through the cabinet door without opening the cabinet door, which makes the operation more convenient. The left and right sides of the inner wall of the cabinet are provided with card boards for clamping the placement box. The card board is L-shaped, and the back of the vertical part of the card board is fixed on the inner wall of the cabinet. The lower part of the placement box is slidably set between the upper parts of the horizontal parts of the two card boards. The utility model can guide and support the placement box through the card board, so as to achieve smooth placement and removal of the placement box, facilitate taking out the placement box to place or remove the culture dish, and smoothly and quickly place the placed culture dish into the interior of the cabinet, which makes the operation more convenient.

[0009] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0010] 1. The utility model can realize the classification, cultivation and placement of microorganisms through the classification mechanism, and realize the convenient and rapid sampling, inspection or addition of substances to the microorganisms in the cultivation process on the classification mechanism through the sampling mechanism arranged on the cabinet door. There is no need to open the entire cabinet door every time to check or add substances, which may cause other microorganisms or bacteria in the air to enter the culture safety cabinet during the door opening process, resulting in the introduction of unnecessary bacteria or impurities into the cultivation of microorganisms, and the operation is safer and more convenient.

[0011] 2. The utility model can rotate the corresponding holding part of the column to be sampled to drive the screw to rotate into the internal threaded hole of the nut on the outside of the drawer inside the cabinet, and then pull the holding part outward to pull the drawer of the corresponding column and the culture dish in the drawer outward until the sealing block is pushed to pull the drawer outward through the card slot to move out of the outside of the cabinet door, so that the operator can observe the microorganisms on the culture dish without opening the cabinet door, which is safer and more convenient.

[0012] 3. The cabinet door is made of translucent plastic or glass. The purpose of this is to facilitate the operator to observe the growth of microorganisms on the culture dish in the cabinet through the cabinet door without opening the cabinet door, which makes the operation more convenient.

[0013] 4. The utility model can realize the smooth placement and taking-in operation of the placement box through the guiding and supporting effect of the card plate on the placement box, which is convenient for taking out the placement box to place or take out the culture dish, and the placed culture dish can be smoothly and quickly placed into the interior of the cabinet, which is more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the safety cabinet for microbial culture of the utility model;

[0015] Figure 2This is an enlarged view of the structure at A of the utility model;

[0016] Figure 3 This is a schematic structural diagram of the safety cabinet for microorganism cultivation of the utility model from another perspective;

[0017] Figure 4 It is a front view of the safety cabinet for microorganism cultivation of the present utility model.

[0018] Explanation of the reference numerals: 100, cabinet; 200, classification mechanism; 201, placement box; 202, slide groove; 203, drawer; 204, nut; 300, sampling mechanism; 301, installation groove; 302, sealing plate; 303, card slot; 304, sealing block; 305, screw; 306, gripping part. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0020] like Figure 1-4 As shown: This embodiment provides a safety cabinet for microorganism cultivation, including a cabinet 100, a classification mechanism 200 for placing microorganisms to be cultivated is arranged inside the cabinet 100, a sampling mechanism 300 for sampling and observing microorganisms in the cultivation process is arranged on the cabinet door of the cabinet 100, and the classification mechanism 200 includes a placement box 201 that is clamped inside the cabinet 100, and a plurality of slide grooves 202 are opened on the placement box 201, and a plurality of drawers 203 are slidably arranged in the slide grooves 202, and a nut 204 is arranged on the outer side of each drawer 203, and the nut 204 is welded and arranged On the outer wall of the drawer 203, the utility model can realize the classification, cultivation and placement operations of microorganisms through the classification mechanism 200, and realize the convenient and rapid sampling, inspection or addition of substances to the microorganisms in the cultivation process on the classification mechanism 200 during the cultivation process through the sampling mechanism 300 arranged on the cabinet door. There is no need to open the entire cabinet door every time to check or add substances, which may cause other microorganisms or bacteria in the air to enter the culture safety cabinet during the door opening process, resulting in the introduction of unnecessary bacteria or impurities into the cultivation of microorganisms, and the operation is safer and more convenient.

[0021] According to one embodiment of the utility model, Figure 1-4As shown, the sampling mechanism 300 includes a mounting groove 301 arranged on the cabinet door, a sealing plate 302 is arranged in the mounting groove 301, a card groove 303 corresponding to the slide groove 202 is provided on the sealing plate 302, a sealing block 304 is slidably provided in the card groove 303, a threaded through hole matching the internal thread of the nut 204 is provided on the sealing block 304, the axis of the threaded through hole coincides with the axis of the nut 204, a screw 305 matching the internal thread of the nut 204 is connected to the internal thread of the threaded through hole, and a gripping portion 306 is provided at the end of the screw 305. When a drawer in a certain vertical row needs to be opened, When observing the culture dishes in 203, the utility model can rotate the gripping portion 306 of the corresponding column where sampling is desired to be performed to drive the screw 305 to rotate until it rotates into the internal threaded hole of the nut 204 on the outside of the drawer 203 inside the cabinet 100, and then pull the gripping portion 306 outward to pull the drawer 203 of the corresponding column and the culture dishes in the drawer 203 outward until the sealing block 304 is pushed to pull the drawer 203 outward through the card slot 303 to move out of the outside of the cabinet door, so that the operator can observe the microorganisms on the culture dish without opening the cabinet door, which is safer and more convenient.

[0022] According to another embodiment of the present invention, Figure 1 and Figure 2 As shown, the cabinet door is made of translucent plastic or glass material. The purpose of this is to facilitate the operator to observe the growth of microorganisms on the culture dish in the cabinet 100 through the cabinet door without opening the cabinet door, which makes the operation more convenient. The left and right sides of the inner wall of the cabinet 100 are provided with card boards for clamping the placement box 201. The card board is L-shaped, and the back of the vertical part of the card board is fixed on the inner wall of the cabinet 100. The lower part of the placement box 201 is slidably set between the upper parts of the horizontal parts of the two card boards. The utility model can guide and support the placement box 201 through the card board, so as to achieve smooth placement and removal of the placement box 201, facilitate taking out the placement box 201 to place or remove the culture dish, and smoothly and quickly place the placed culture dish into the interior of the cabinet 100, which makes the operation more convenient.

[0023] The use of the utility model:

[0024] First of all, it should be made clear that the safety cabinet involved in the utility model is mainly used for the cultivation of microorganisms. The utility model uses the cultivation of microorganisms and the need to check the microorganisms on the culture dishes during the cultivation process as an example to explain its method of use in detail. When it is necessary to cultivate the microorganisms, start the safety cabinet to perform disinfection operations. At the same time, pull out the placement box 201, and place the microorganisms to be cultivated in the drawer 203 in the incubator in turn. Then, the placement box 201 with the culture dishes placed is aligned and inserted between two adjacent card plates, and then the cabinet door is closed to carry out the cultivation operation. After a certain period of cultivation, when it is necessary to check the growth of the microorganisms on a certain column of culture dishes, the grip 306 of the corresponding column to be sampled is rotated to drive the screw 305 to rotate until it rotates into the inner thread of the nut 204 on the outside of the drawer 203 inside the cabinet 100. The handle 306 is then pulled outward to pull the drawer 203 of the corresponding column and the culture dish in the drawer 203 outward until the sealing block 304 is pushed to pull the drawer 203 outward through the card slot 303 to move out of the cabinet door, so that the operator can observe the microorganisms on the culture dish without opening the cabinet door. The utility model can realize the classification, culture and placement of microorganisms through the classification mechanism 200, and realize the convenient and rapid sampling, viewing or adding of substances to the microorganisms in the culture process on the classification mechanism 200 during the culture process through the sampling mechanism 300 arranged on the cabinet door. There is no need to open the entire cabinet door every time to view or add substances, which may cause the introduction of other microorganisms or bacteria in the air into the culture safety cabinet during the door opening process, resulting in the introduction of unnecessary bacteria or impurities into the culture of microorganisms, and the operation is safer and more convenient.

[0025] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A safety cabinet for microbial culture, comprising a cabinet body (100), characterized in that: The cabinet (100) is provided with a classification mechanism (200) for placing microorganisms to be cultured, and the cabinet door of the cabinet (100) is provided with a sampling mechanism (300) for sampling and observing the microorganisms in the culture process. The classification mechanism (200) includes a placement box (201) mounted inside the cabinet (100), and the placement box (201) is provided with a plurality of slide grooves (202). The slide grooves (202) are slidably provided with a plurality of drawers (203), and a nut (204) is provided on the outer side of each drawer (203).

2. The microorganism culture safety cabinet according to claim 1, characterized in that: The sampling mechanism (300) comprises a mounting groove (301) arranged on the cabinet door, a sealing plate (302) is arranged in the mounting groove (301), a clamping groove (303) corresponding to the sliding groove (202) is provided on the sealing plate (302), a sealing block (304) is slidably arranged in the clamping groove (303), a threaded through hole matching the internal thread of the nut (204) is provided on the sealing block (304), the axis of the threaded through hole coincides with the axis of the nut (204), and a screw (305) matching the internal thread of the nut (204) is connected to the internal thread of the threaded through hole.

3. The microbial culture safety cabinet according to claim 2, characterized in that: The end of the screw rod (305) is provided with a gripping portion (306).

4. The microorganism culture safety cabinet according to claim 3, characterized in that: The cabinet door is made of light-transmitting plastic material or glass material.

5. The microorganism culture safety cabinet according to claim 4, characterized in that: The nut (204) is welded on the outer side wall of the drawer (203).

6. The microorganism culture safety cabinet according to claim 5, characterized in that: The left and right sides of the inner wall of the cabinet (100) are provided with a clamping plate for clamping the storage box (201); the clamping plate is L-shaped, the back of the vertical part of the clamping plate is fixed on the inner wall of the cabinet (100), and the lower part of the storage box (201) is slidably arranged between the upper parts of the horizontal parts of the two clamping plates.

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